diff --git a/2020/Makefile b/2020/Makefile
index ea0c262..812ac33 100644
--- a/2020/Makefile
+++ b/2020/Makefile
@@ -1,8 +1,8 @@
 day%.out: out/types.o misc/main.cpp days/day%.cpp
-	g++-10 -O3 -std=c++2a $(flags) -Dcurrent_day=$(@:.out=) days/$(@:out=cpp) misc/main.cpp out/types.o -o $@
+	g++-10 -std=c++2a $(flags) -Dcurrent_day=$(@:.out=) days/$(@:out=cpp) misc/main.cpp out/types.o -o $@
 
 day%_test.out: out/types.o misc/main_test.cpp days/day%.cpp
-	g++-10 -O3 -std=c++2a $(flags) -DTEST_BUILD -Dcurrent_day=$(@:_test.out=) days/$(@:_test.out=.cpp) misc/main_test.cpp out/types.o -o $@
+	g++-10 -std=c++2a $(flags) -DTEST_BUILD -Dcurrent_day=$(@:_test.out=) days/$(@:_test.out=.cpp) misc/main_test.cpp out/types.o -o $@
 
 days/day%.cpp:
 	cp 'misc/day.cpp.template' $@
@@ -14,4 +14,4 @@ out/types.o: misc/types.hpp misc/types.cpp
 
 .PHONY: clean
 clean:
-	rm -f out/* day*.out day*.output
+	rm out/* day*.out day*.output
diff --git a/2020/days/day12.cpp b/2020/days/day12.cpp
deleted file mode 100644
index cc0ee01..0000000
--- a/2020/days/day12.cpp
+++ /dev/null
@@ -1,104 +0,0 @@
-/*******************************************************************************
- *
- * Copyright (c) 2020 Gnarwhal
- *
- * -----------------------------------------------------------------------------
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files(the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- *******************************************************************************/
-
-#include <vector>
-#include <string>
-#include <iostream>
-#include <fstream>
-
-#include "../misc/types.hpp"
-#include "../misc/print.hpp"
-
-struct Instruction{ char op; i32 num; };
-
-auto day12() -> void {
-	auto instructions = std::vector<Instruction>();
-	{
-		auto line = std::string();
-		auto file = std::ifstream("inputs/day12.input");
-		while (getline(file, line)) {
-			instructions.push_back({ line[0], std::stoi(line.substr(1, line.size() - 1)) });
-			if (line[0] == 'L' || line[0] == 'R') {
-				instructions[instructions.size() - 1].num /= 90;
-			}
-		}
-	}
-
-	{
-		auto ship_x = i32(0);
-		auto ship_y = i32(0);
-		auto direction = i32(2);
-		for (const auto & instruction : instructions) {
-			switch (instruction.op) {
-				case 'N': ship_y += instruction.num; break;
-				case 'E': ship_x += instruction.num; break;
-				case 'S': ship_y -= instruction.num; break;
-				case 'W': ship_x -= instruction.num; break;
-				case 'R': direction = (direction - instruction.num + 4) % 4; break;
-				case 'L': direction = (direction + instruction.num    ) % 4; break;
-				case 'F':
-					ship_x += ((direction - 1) % 2) * instruction.num;
-					ship_y += ((direction - 2) % 2) * instruction.num;
-					break;
-			}
-		}
-		print((std::abs(ship_x) + std::abs(ship_y)));
-	}
-
-	{
-		auto ship_x = i32(0);
-		auto ship_y = i32(0);
-		auto waypoint_x = i32(10);
-		auto waypoint_y = i32( 1);
-		for (const auto & instruction : instructions) {
-			switch (instruction.op) {
-				case 'N': waypoint_y += instruction.num; break;
-				case 'E': waypoint_x += instruction.num; break;
-				case 'S': waypoint_y -= instruction.num; break;
-				case 'W': waypoint_x -= instruction.num; break;
-				case 'R':
-					for (auto i = i32(0); i < instruction.num; ++i) {
-						auto copy = waypoint_x;
-						waypoint_x =  waypoint_y;
-						waypoint_y = -copy;
-					}
-					break;
-				case 'L':
-					for (auto i = i32(0); i < instruction.num; ++i) {
-						auto copy = waypoint_x;
-						waypoint_x = -waypoint_y;
-						waypoint_y =  copy;
-					}
-					break;
-				case 'F':
-					ship_x += waypoint_x * instruction.num;
-					ship_y += waypoint_y * instruction.num;
-					break;
-			}
-		}
-		print((std::abs(ship_x) + std::abs(ship_y)));
-	}
-}
diff --git a/2020/days/day13.cpp b/2020/days/day13.cpp
deleted file mode 100644
index db18feb..0000000
--- a/2020/days/day13.cpp
+++ /dev/null
@@ -1,103 +0,0 @@
-/*******************************************************************************
- *
- * Copyright (c) 2020 Gnarwhal
- *
- * -----------------------------------------------------------------------------
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files(the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- *******************************************************************************/
-
-#include <vector>
-#include <string>
-#include <iostream>
-#include <fstream>
-
-#include "../misc/types.hpp"
-#include "../misc/print.hpp"
-
-struct Pair{ i64 id; usize index; };
-
-// f = a + n0 * b = c + n1 * d
-// f = req_base + n0 * req_loop = new_base + n1 * new_loop
-// Solve for the smallest integer value f such that this holds true
-auto find_least(i64 new_base, i64 new_loop, i64 req_base, i64 req_loop, i64 iter) -> i64 {
-	while ((req_base - new_base + ++iter * req_loop) % new_loop != 0);
-	return req_base + iter * req_loop;
-}
-
-auto day13() -> void {
-	auto ready = usize(0);
-	auto buses = std::vector<Pair>();
-	{
-		auto line = std::string();
-		auto file = std::ifstream("inputs/day13.input");
-		getline(file, line);
-		ready = std::stoi(line);
-		getline(file, line);
-		auto start = usize(0);
-		auto end   = usize(0);
-		auto index = usize(0);
-		auto id    = std::string();
-		while ((end = line.find(',', start)) != std::string::npos) {
-			id = line.substr(start, end - start);
-			if (id != "x") {
-				buses.push_back({ i64(std::stoi(line.substr(start, end - start))), index });
-			}
-			start = end + 1;
-			++index;
-		}
-		end = line.size();
-		id = line.substr(start, end - start);
-		if (id != "x") {
-			buses.push_back({ i64(std::stoi(line.substr(start, end - start))), index });
-		}
-	}
-	
-	auto id      = buses[0].id;
-	auto minutes = buses[0].id - (ready % buses[0].id);
-	for (auto i = usize(1); i < buses.size(); ++i) {
-		auto local_minutes = buses[i].id - (ready % buses[i].id);
-		if (local_minutes < minutes) {
-			id      = buses[i].id;
-			minutes = local_minutes;
-		}
-	}
-	print((id * minutes));
-
-	auto req_base = usize(buses[0].index);
-	auto req_loop = usize(buses[0].id   );
-	for (auto i = usize(1); i < buses.size(); ++i) {
-		req_base = find_least(-buses[i].index, buses[i].id, req_base, req_loop, -1);
-		if (i < buses.size() - 1) {
-			req_loop = find_least(0, buses[i].id, 0, req_loop, 0);
-		}
-		/*
-		required_base (rqb), required_loop (rql)
-
-		base_loop (bl), repeat_loop (rl)
-
-		rqb + a0 * rql = bl + a1 * rl < minimize and store in required loop
-		a0 = (bl + a1 * rl - rqb) / rql
-
-		b0 * rql = b1 * rl < minimize and store in required loop
-		*/
-	}
-	print(req_base);
-}
diff --git a/2020/days/day14.cpp b/2020/days/day14.cpp
deleted file mode 100644
index a38fbd6..0000000
--- a/2020/days/day14.cpp
+++ /dev/null
@@ -1,112 +0,0 @@
-/*******************************************************************************
- *
- * Copyright (c) 2020 Gnarwhal
- *
- * -----------------------------------------------------------------------------
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files(the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- *******************************************************************************/
-
-#include <vector>
-#include <map>
-#include <string>
-#include <bitset>
-#include <iostream>
-#include <fstream>
-
-#include "../misc/types.hpp"
-#include "../misc/print.hpp"
-
-struct Op{ u8 op; u64 num1; u64 num2; };
-
-auto set_memory(std::map<u64, u64> & map, u64 addr, const std::vector<bool> & maskX, usize index, u64 value) -> void {
-	while (++index < maskX.size() && !maskX[index]);
-	if (index == maskX.size()) {
-		map.insert_or_assign(addr, value);
-	} else {
-		set_memory(map, addr, maskX, index, value);
-		set_memory(map, addr ^ (u64(1) << (maskX.size() - index - 1)), maskX, index, value);
-	}
-}
-
-auto day14() -> void {
-	auto ops = std::vector<Op>();
-	{
-		auto line = std::string();
-		auto file = std::ifstream("inputs/day14.input");
-		while (getline(file, line)) {
-			if (line.find("mask") != std::string::npos) {
-				auto mask0 = u64(-1);
-				auto mask1 = u64( 0);
-				for (auto i = usize(7); i < line.size(); ++i) {
-					if (line[i] == '0') {
-						mask0 ^= (u64(1) << (42 - i));
-					} else if (line[i] == '1') {
-						mask1 ^= (u64(1) << (42 - i));
-					}
-				}
-				ops.push_back({ 0, mask0, mask1 });
-			} else {
-				auto value = line.find("=") + 2;
-				ops.push_back({
-					1,
-					u64(std::stoll(line.substr(4, line.find("]") - 4))),
-					u64(std::stoll(line.substr(value, line.size() - value)))
-				});
-			}
-		}
-	}
-	auto mask0  = u64(-1);
-	auto mask1  = u64( 0);
-	auto memory = std::map<u64, u64>();
-	for (auto op : ops) {
-		if (op.op == 0) {
-			mask0 = op.num1;
-			mask1 = op.num2;
-		} else {
-			memory.insert_or_assign(op.num1, (op.num2 & mask0) | mask1);
-		}
-	}
-	auto sum = u64(0);
-	for(auto mem : memory) {
-		sum += mem.second;
-	}
-	print(sum);
-
-	mask1  = u64(0);
-	memory = std::map<u64, u64>();
-	auto maskX = std::vector<bool>(36);
-	for (auto op : ops) {
-		if (op.op == 0) {
-			mask1 = op.num2;
-			for (auto i = usize(0); i < maskX.size(); ++i) {
-				auto bit = u64(1) << u64(35 - i);
-				maskX[i] = (op.num1 & bit) && !(op.num2 & bit);
-			}
-		} else {
-			set_memory(memory, op.num1 | mask1, maskX, -1, op.num2);
-		}
-	}
-	sum = u64(0);
-	for(auto mem : memory) {
-		sum += mem.second;
-	}
-	print(sum);
-}
diff --git a/2020/days/day15.cpp b/2020/days/day15.cpp
deleted file mode 100644
index c33fb2a..0000000
--- a/2020/days/day15.cpp
+++ /dev/null
@@ -1,71 +0,0 @@
-/*******************************************************************************
- *
- * Copyright (c) 2020 Gnarwhal
- *
- * -----------------------------------------------------------------------------
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files(the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- *******************************************************************************/
-
-#include <unordered_map>
-#include <string>
-#include <iostream>
-#include <fstream>
-
-#include "../misc/types.hpp"
-#include "../misc/print.hpp"
-
-struct Pair{ u64 num; usize last; };
-
-auto day15() -> void {
-	auto last     = usize(0);
-	auto index    = usize(0);
-	auto sequence = std::unordered_map<u64, u64>();
-	{
-		auto line = std::string();
-		auto file = std::ifstream("inputs/day15.input");
-		getline(file, line);
-		auto start = usize(0);
-		auto end   = usize(0);
-		auto num   = std::string();
-		while ((end = line.find(',', start)) != std::string::npos) {
-			num = line.substr(start, end - start);
-			sequence.insert_or_assign(u64(std::stoll(num)), ++index);
-			start = end + 1;
-		}
-		end = line.size();
-		num = line.substr(start, end - start);
-		sequence.insert_or_assign(u64(std::stoll(num)), ++index);
-	}
-	while (++index < 30000000) {
-		if (index == 2020) {
-			print(last);
-		}
-		if (sequence.contains(last)) {
-			auto new_last = index - sequence[last];
-			sequence[last] = index;
-			last = new_last;
-		} else {
-			sequence.insert_or_assign(last, index);
-			last = 0;
-		}
-	}
-	print(last);
-}
diff --git a/2020/days/day16.cpp b/2020/days/day16.cpp
deleted file mode 100644
index 6c1989c..0000000
--- a/2020/days/day16.cpp
+++ /dev/null
@@ -1,209 +0,0 @@
-/*******************************************************************************
- *
- * Copyright (c) 2020 Gnarwhal
- *
- * -----------------------------------------------------------------------------
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files(the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- *******************************************************************************/
-
-#include <vector>
-#include <string>
-#include <iostream>
-#include <fstream>
-
-#include "../misc/types.hpp"
-#include "../misc/print.hpp"
-
-struct Rule { u64 r11; u64 r12; u64 r21; u64 r22; };
-
-auto read_ticket(std::vector<u64> & ticket, const std::string & line) -> void {
-	auto start = usize(0);
-	auto end   = usize(0);
-	while ((end = line.find(",", end + 1)) != std::string::npos) {	
-		ticket.push_back(std::stoll(line.substr(start, end - start)));
-		start = end + 1;
-	}
-	end = line.size();
-	ticket.push_back(std::stoll(line.substr(start, end - start)));
-}
-
-auto matches_rule(const Rule & rule, u64 field) -> bool {
-	return (rule.r11 <= field && field <= rule.r12) || (rule.r21 <= field && field <= rule.r22);
-}
-
-auto remove_if_exists(std::vector<u64> & v, u64 search) -> bool {
-	auto low  = usize(0);
-	auto high = v.size();
-	while (low < high) {
-		auto index = (low + high) / 2;
-		if (v[index] == search) {
-			v.erase(v.begin() + index);
-			return true;
-		} else if (search > v[index]) {
-			low = index + 1;
-		} else {
-			high = index;
-		}
-	}
-	return false;
-}
-
-auto contains(std::vector<u64> & v, u64 search) -> bool {
-	auto low  = usize(0);
-	auto high = v.size();
-	while (low < high) {
-		auto index = (low + high) / 2;
-		if (v[index] == search) {
-			return true;
-		} else if (search > v[index]) {
-			low = index + 1;
-		} else {
-			high = index;
-		}
-	}
-	return false;
-}
-
-auto day16() -> void {
-	auto find        = std::vector<u64>();
-	auto rules       = std::vector<Rule>();
-	auto your_ticket = std::vector<u64>();
-	auto tickets     = std::vector<std::vector<u64>>();
-	{
-		auto line  = std::string();
-		auto file  = std::ifstream("inputs/day16.input");
-		auto index = usize(0);
-		while (getline(file, line) && line != "") {
-			auto rule  = Rule();
-			auto start = line.find(":") + 2;
-			auto end   = line.find("-");
-			rule.r11 = std::stoll(line.substr(start, end - start));
-			start = end + 1;
-			end   = line.find(" ", end);
-			rule.r12 = std::stoll(line.substr(start, end - start));
-			start = end + 4;
-			end   = line.find("-", end);
-			rule.r21 = std::stoll(line.substr(start, end - start));
-			start = end + 1;
-			end   = line.size();
-			rule.r22 = std::stoll(line.substr(start, end - start));
-			rules.push_back(rule);
-			if (line.find("departure") != std::string::npos) {
-				find.push_back(index);
-			}
-			++index;
-		}
-		getline(file, line);
-		getline(file, line);
-		read_ticket(your_ticket, line);
-		getline(file, line);
-		getline(file, line);
-		while (getline(file, line)) {
-			auto ticket = std::vector<u64>();
-			read_ticket(ticket, line);
-			tickets.push_back(std::move(ticket));
-		}
-	}
-	auto valid = std::vector<std::vector<u64>>();
-	{
-		auto foo = std::vector<u64>(your_ticket.size());
-		for (auto i = usize(0); i < your_ticket.size(); ++i) {
-			foo[i] = i;
-		}
-		for (auto i = usize(0); i < rules.size(); ++i) {
-			valid.push_back(foo);
-		}
-	}
-	auto sum = u64(0);
-	for (auto k = usize(0); k < tickets.size(); ++k) {
-		const auto & ticket = tickets[k];
-		auto invalid_ticket = false;
-		for (auto i = usize(0); i < ticket.size(); ++i) {
-			auto invalid_field = true;
-			for (auto j = usize(0); invalid_field && j < rules.size(); ++j) {
-				if (matches_rule(rules[j], ticket[i])) {
-					invalid_field = false;
-				}
-			}
-			if (invalid_field) {
-				sum += ticket[i];
-			}
-			invalid_ticket = invalid_ticket || invalid_field;
-		}
-		if (invalid_ticket) {
-			tickets.erase(tickets.begin() + k);
-			--k;
-		}
-	}
-	print(sum);
-
-	for (auto i = usize(0); i < tickets.size(); ++i) {
-		const auto & ticket = tickets[i];
-		for (auto j = usize(0); j < valid.size(); ++j) {
-			auto & v = valid[j];
-			for (auto k = usize(0); k < v.size(); ++k) {
-				if (!matches_rule(rules[j], ticket[v[k]])) {
-					v.erase(v.begin() + k);
-					--k;
-				}
-			}
-		}
-	}
-	for (auto i = usize(0); i < your_ticket.size(); ++i) {
-		auto cont_index = usize(0);
-		auto contained  = usize(0);
-		for (auto j = usize(0); j < valid.size(); ++j) {
-			if (contains(valid[j], i)) {
-				cont_index = j;
-				++contained;
-			}
-		}
-		if (contained == 1) {
-			for (auto j = usize(0); j < valid[cont_index].size(); ++j) {
-				if (valid[cont_index][j] != i) {
-					valid[cont_index].erase(valid[cont_index].begin() + j);
-					--j;
-				}
-			}
-		}
-	}
-
-	auto loop = true;
-	while (loop) {
-		loop = false;
-		for (auto i = usize(0); i < valid.size(); ++i) {
-			if (valid[i].size() == 1) {
-				for (auto j = usize(0); j < valid.size(); ++j) {
-					if (j != i) {
-						auto temp = remove_if_exists(valid[j], valid[i][0]);
-						loop = temp || loop;
-					}
-				}
-			}
-		}
-	}
-
-	auto product = u64(1);
-	for (auto i = usize(0); i < find.size(); ++i) {
-		product *= your_ticket[valid[find[i]][0]];
-	}
-	print(product);
-}
diff --git a/2020/days/day17.cpp b/2020/days/day17.cpp
deleted file mode 100644
index a016751..0000000
--- a/2020/days/day17.cpp
+++ /dev/null
@@ -1,163 +0,0 @@
-/*******************************************************************************
- *
- * Copyright (c) 2020 Gnarwhal
- *
- * -----------------------------------------------------------------------------
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files(the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- *******************************************************************************/
-
-#include <vector>
-#include <array>
-#include <string>
-#include <iostream>
-#include <fstream>
-
-#include "../misc/types.hpp"
-#include "../misc/print.hpp"
-
-constexpr auto CYCLES = 6;
-constexpr auto BUFFER = CYCLES + 1;
-
-auto neighbor3d_count(const auto & pocket, i32 x, i32 y, i32 z) -> usize {
-	auto count = usize(0);
-	for (auto i = i32(-1); i < 2; ++i) {
-		for (auto j = i32(-1); j < 2; ++j) {
-			for (auto k = i32(-1); k < 2; ++k) {
-				count += (i != 0 || j != 0 || k != 0) && pocket[x + i][y + j][z + k];
-			}
-		}
-	}
-	return count;
-}
-
-auto neighbor4d_count(const auto & pocket, i32 w, i32 x, i32 y, i32 z) -> usize {
-	auto count = usize(0);
-	for (auto i = i32(-1); i < 2; ++i) {
-		for (auto j = i32(-1); j < 2; ++j) {
-			for (auto k = i32(-1); k < 2; ++k) {
-				for (auto l = i32(-1); l < 2; ++l) {
-					count += (i != 0 || j != 0 || k != 0 || l != 0) && pocket[w + l][x + i][y + j][z + k];
-				}
-			}
-		}
-	}
-	return count;
-}
-
-auto day17() -> void {
-	auto pocket = std::vector<std::vector<std::vector<std::vector<bool>>>>();
-	{
-		auto lines = std::vector<std::string>();
-		auto line = std::string();
-		auto file = std::ifstream("inputs/day17.input");
-		while (getline(file, line)) {
-			lines.push_back(line);
-		}
-
-
-		pocket = std::vector<std::vector<std::vector<std::vector<bool>>>>(BUFFER * 2 + 1);
-		for (auto w = usize(0); w < pocket.size(); ++w) {
-			pocket[w] = std::vector<std::vector<std::vector<bool>>>(lines[0].size() + BUFFER * 2);
-			for (auto i = usize(0); i < pocket[0].size(); ++i) {
-				auto vec = std::vector<std::vector<bool>>(lines.size() + BUFFER * 2);
-				for (auto j = usize(0); j < vec.size(); ++j) {
-					vec[j] = std::vector<bool>(BUFFER * 2 + 1);
-					if (w == BUFFER && i >= BUFFER && i < BUFFER + lines[0].size() && j >= BUFFER && j < BUFFER + lines.size()) {
-						vec[j][BUFFER] = lines[j - BUFFER][i - BUFFER] == '#';
-					}
-				}
-				pocket[w][i] = std::move(vec);
-			}
-		}
-	}
-
-	{
-		auto pockets = std::array<std::vector<std::vector<std::vector<bool>>>, 2>{ pocket[BUFFER], pocket[BUFFER] };
-		auto bit = false;
-		for (auto i = usize(0); i < CYCLES; ++i) {
-			auto & read  = pockets[bit];
-			auto & write = pockets[bit = !bit];
-			for (auto x = i32(1); x < read.size() - 1; ++x) {
-				for (auto y = i32(1); y < read[0].size() - 1; ++y) {
-					for (auto z = i32(1); z < read[0][0].size() - 1; ++z) {
-						auto neighbors = neighbor3d_count(read, x, y, z);
-						if (read[x][y][z] && (neighbors < 2 || neighbors > 3)) {
-							write[x][y][z] = false;
-						} else if (!read[x][y][z] && neighbors == 3) {
-							write[x][y][z] = true;
-						} else {
-							write[x][y][z] = read[x][y][z];
-						}
-					}
-				}
-			}
-		}
-
-		auto & pocket = pockets[bit];
-		auto count = usize(0);
-		for (auto i = usize(0); i < pocket.size(); ++i) {
-			for (auto j = usize(0); j < pocket[0].size(); ++j) {
-				for (auto k = usize(0); k < pocket[0][0].size(); ++k) {
-					count += pocket[i][j][k];
-				}
-			}
-		}
-		print(count);
-	}
-
-	{
-		auto pockets = std::array<std::vector<std::vector<std::vector<std::vector<bool>>>>, 2>{ pocket, pocket };
-		auto bit = false;
-		for (auto i = usize(0); i < CYCLES; ++i) {
-			auto & read  = pockets[bit];
-			auto & write = pockets[bit = !bit];
-			for (auto w = i32(1); w < read.size() - 1; ++w) {
-				for (auto x = i32(1); x < read[0].size() - 1; ++x) {
-					for (auto y = i32(1); y < read[0][0].size() - 1; ++y) {
-						for (auto z = i32(1); z < read[0][0][0].size() - 1; ++z) {
-							auto neighbors = neighbor4d_count(read, w, x, y, z);
-							if (read[w][x][y][z] && (neighbors < 2 || neighbors > 3)) {
-								write[w][x][y][z] = false;
-							} else if (!read[w][x][y][z] && neighbors == 3) {
-								write[w][x][y][z] = true;
-							} else {
-								write[w][x][y][z] = read[w][x][y][z];
-							}
-						}
-					}
-				}
-			}
-		}
-
-		auto & pocket = pockets[bit];
-		auto count = usize(0);
-		for (auto i = usize(0); i < pocket.size(); ++i) {
-			for (auto j = usize(0); j < pocket[0].size(); ++j) {
-				for (auto k = usize(0); k < pocket[0][0].size(); ++k) {
-					for (auto l = usize(0); l < pocket[0][0][0].size(); ++l) {
-						count += pocket[i][j][k][l];
-					}
-				}
-			}
-		}
-		print(count);
-	}
-}
diff --git a/2020/days/day18.cpp b/2020/days/day18.cpp
deleted file mode 100644
index c459a7a..0000000
--- a/2020/days/day18.cpp
+++ /dev/null
@@ -1,128 +0,0 @@
-/*******************************************************************************
- *
- * Copyright (c) 2020 Gnarwhal
- *
- * -----------------------------------------------------------------------------
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files(the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- *******************************************************************************/
-
-#include <vector>
-#include <string>
-#include <iostream>
-#include <fstream>
-
-#include "../misc/types.hpp"
-#include "../misc/print.hpp"
-
-auto evaluate_part1(const std::string & equation, usize & index) -> u64 {
-	auto value     = u64(0);
-	auto operation = 0;
-	while (equation[index] != ')') {
-		if ('0' <= equation[index] && equation[index] <= '9') {
-			auto end = index;
-			while ('0' <= equation[++end] && equation[end] <= '9');
-			if (operation == 0) {
-				value += std::stoll(equation.substr(index, end - index));
-			} else {
-				value *= std::stoll(equation.substr(index, end - index));
-			}
-			index = end;
-		} else if (equation[index] == '+') {
-			operation = 0;
-			index += 2;
-		} else if (equation[index] == '*') {
-			operation = 1;
-			index += 2;
-		} else if (equation[index] == '(') {
-			if (operation == 0) {
-				value += evaluate_part1(equation, ++index);
-			} else {
-				value *= evaluate_part1(equation, ++index);
-			}
-		} else if (equation[index] == ' ') {
-			++index;
-		}
-	}
-	++index;
-	return value;
-}
-
-auto evaluate_part2(const std::string & equation, usize & index) -> u64;
-auto evaluate_part2_addition(const std::string & equation, usize & index) -> u64;
-auto evaluate_part2_factor(const std::string & equation, usize & index) -> u64;
-
-auto evaluate_part2(const std::string & equation, usize & index) -> u64 {
-	auto value1 = evaluate_part2_addition(equation, index);
-	if (++index < equation.size() && equation[index] == '*') {
-		auto value2 = evaluate_part2(equation, index += 2);
-		return value1 * value2;
-	}
-	--index;
-	return value1;
-}
-
-auto evaluate_part2_addition(const std::string & equation, usize & index) -> u64 {
-	auto value1 = evaluate_part2_factor(equation, index);
-	if (++index < equation.size() && equation[index] == '+') {
-		auto value2 = evaluate_part2_addition(equation, index += 2);
-		return value1 + value2;
-	}
-	--index;
-	return value1;
-}
-
-auto evaluate_part2_factor(const std::string & equation, usize & index) -> u64 {
-	auto value = u64(0);
-	if (equation[index] == '(') {
-		value = evaluate_part2(equation, ++index);
-		++index;
-	} else {
-		auto end = index;
-		while ('0' <= equation[++end] && equation[end] <= '9');
-		value = std::stoll(equation.substr(index, end - index));
-		index = end;
-	}
-	return value;
-}
-
-auto day18() -> void {
-	auto equations = std::vector<std::string>();
-	{
-		auto line = std::string();
-		auto file = std::ifstream("inputs/day18.input");
-		while (getline(file, line)) {
-			equations.push_back(line + ')');
-		}
-	}
-	auto sum = u64(0);
-	for (auto i = usize(0); i < equations.size(); ++i) {
-		auto index = usize(0);
-		sum += evaluate_part1(equations[i], index);
-	}
-	print(sum);
-
-	sum = u64(0);
-	for (auto i = usize(0); i < equations.size(); ++i) {
-		auto index = usize(0);
-		sum += evaluate_part2_factor('(' + equations[i], index);
-	}
-	print(sum);
-}
diff --git a/2020/days/day19.cpp b/2020/days/day19.cpp
deleted file mode 100644
index 9f3ed8c..0000000
--- a/2020/days/day19.cpp
+++ /dev/null
@@ -1,195 +0,0 @@
-/*******************************************************************************
- *
- * Copyright (c) 2020 Gnarwhal
- *
- * -----------------------------------------------------------------------------
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files(the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- *******************************************************************************/
-
-#include <vector>
-#include <unordered_map>
-#include <string>
-#include <iostream>
-#include <fstream>
-
-#include "../misc/types.hpp"
-#include "../misc/print.hpp"
-
-enum RuleType { Char, Sequence, Alternator };
-
-struct Rule {
-	RuleType type;
-	char c;
-	std::vector<u64> list;
-	std::vector<std::vector<u64>> or_list;
-
-	explicit Rule(char c) noexcept : type(Char), c(c) {}
-	explicit Rule(std::vector<u64> && list) noexcept : type(Sequence), list(std::move(list)) {}
-	explicit Rule(std::vector<std::vector<u64>> && or_list) noexcept : type(Alternator), or_list(std::move(or_list)) {}
-};
-
-auto extract_numbers(const std::string & list) -> std::vector<u64> {
-	auto nums  = std::vector<u64>();
-	auto end   = usize(0);
-	auto start = usize(0);
-	while ((end = list.find(" ", ++end)) != std::string::npos) {
-		nums.push_back(std::stoll(list.substr(start, end - start)));
-		start = end + 1;
-	}
-	return std::move(nums);
-}
-
-auto matches(const std::string & string, usize & index, std::unordered_map<u64, Rule> & rules, u64 rule_id, bool sub) -> bool;
-
-auto matches_list(const std::string & string, usize & index, std::unordered_map<u64, Rule> & rules, const std::vector<u64> & rule_ids, bool sub) -> bool {
-	auto local_index = index;
-	for (auto i = usize(0); i < rule_ids.size(); ++i) {
-		if (!matches(string, local_index, rules, rule_ids[i], true)) {
-			return false;
-		}
-	}
-	index = local_index;
-	return (sub || index == string.size());
-}
-
-auto matches(const std::string & string, usize & index, std::unordered_map<u64, Rule> & rules, u64 rule_id, bool sub) -> bool {
-	if (index >= string.size()) {
-		return false;
-	}
-	auto & rule = rules.find(rule_id)->second;
-	switch (rule.type) {
-		case Char: {
-			if (string[index] == rule.c) {
-				++index;
-				return (sub || index == string.size());
-			} else {
-				return false;
-			}
-		}
-		case Sequence: {
-			return matches_list(string, index, rules, rule.list, sub);
-		}
-		case Alternator: {
-			for (auto i = usize(0); i < rule.or_list.size(); ++i) {
-				auto local_index = index;
-				if (matches_list(string, local_index, rules, rule.or_list[i], sub)) {
-					index = local_index;
-					return true;
-				}
-			}
-			return false;
-		}
-	}
-	// むだ！makes the compiler happy though
-	return false;
-}
-
-auto min_length(std::unordered_map<u64, Rule> & rules, u64 rule_id) -> usize;
-
-auto min_length_list(std::unordered_map<u64, Rule> & rules, const std::vector<u64> & rule_ids) -> usize {
-	auto len = usize(0);
-	for (auto i = usize(0); i < rule_ids.size(); ++i) {
-		len += min_length(rules, rule_ids[i]);
-	}
-	return len;
-}
-
-auto min_length(std::unordered_map<u64, Rule> & rules, u64 rule_id) -> usize {
-	auto & rule = rules.find(rule_id)->second;
-	switch (rule.type) {
-		case Char:     return 1;
-		case Sequence: return min_length_list(rules, rule.list);
-		case Alternator: {
-			auto min = min_length_list(rules, rule.or_list[0]);
-			for (auto i = usize(1); i < rule.or_list.size(); ++i) {
-				auto len = min_length_list(rules, rule.or_list[i]);
-				if (len < min) {
-					min = len;
-				}
-			}
-			return min;
-		}
-	}
-	// このもむだ！
-	return 0;
-}
-
-auto day19() -> void {
-	auto rules   = std::unordered_map<u64, Rule>();
-	auto strings = std::vector<std::string>();
-	{
-		auto line = std::string();
-		auto file = std::ifstream("inputs/day19.input");
-		getline(file, line);
-		while (line != "") {
-			auto end = line.find(":");
-			auto id = std::stoll(line.substr(0, end));
-			if ((end = line.find("\"")) != std::string::npos) {
-				rules.insert_or_assign(id, Rule(line[end + 1]));
-			} else if (line.find("|") != std::string::npos) {
-				end = line.find(":") + 2;
-				line = line.substr(end, line.size() - end) + " |";
-				auto sequences = std::vector<std::vector<u64>>();
-				end = usize(0);
-				auto start = usize(0);
-				while ((end = line.find("|", ++end)) != std::string::npos) {
-					sequences.push_back(extract_numbers(line.substr(start, end - start)));
-					start = end + 2;
-				}
-				rules.insert_or_assign(id, Rule(std::move(sequences)));
-			} else {
-				end = line.find(":") + 2;
-				rules.insert_or_assign(id, Rule(extract_numbers(line.substr(end, line.size() - end) + ' ')));
-			}
-			getline(file, line);
-		}
-		while (getline(file, line)) {
-			strings.push_back(std::move(line));
-		}
-	}
-
-	auto successful = usize(0);
-	for (auto i = usize(0); i < strings.size(); ++i) {
-		auto index = usize(0);
-		successful += matches(strings[i], index, rules, 0, false);
-	}
-	print(successful);
-	
-	successful = usize(0);
-	auto min_length42 = min_length(rules, 42);
-	auto min_length31 = min_length(rules, 31);
-	for (auto i = usize(0); i < strings.size(); ++i) {
-		auto unsuccessful = true;
-		auto base = min_length42 * 2 + min_length31;
-		auto list = std::vector<u64>{ 42, 42, 31 };
-		for (auto j = usize(0); unsuccessful && j * min_length42 + base <= strings[i].size(); ++j) {
-			auto copy = list;
-			for (auto k = usize(0); unsuccessful && k <= j; ++k) {
-				auto index = usize(0);
-				unsuccessful = !matches_list(strings[i], index, rules, copy, false);
-				copy.push_back(31);
-			}
-			list.insert(list.begin(), 42);
-		}
-		successful += !unsuccessful;
-	}
-	print(successful);
-}
diff --git a/2020/days/day23.cpp b/2020/days/day23.cpp
deleted file mode 100644
index f3cc3b4..0000000
--- a/2020/days/day23.cpp
+++ /dev/null
@@ -1,105 +0,0 @@
-/*******************************************************************************
- *
- * Copyright (c) 2020 Gnarwhal
- *
- * -----------------------------------------------------------------------------
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files(the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- *******************************************************************************/
-
-#include <vector>
-#include <array>
-#include <string>
-#include <iostream>
-#include <fstream>
-
-#include "../misc/types.hpp"
-#include "../misc/print.hpp"
-
-constexpr auto CUP_COUNT = 9;
-
-auto day23() -> void {
-	auto start = usize(0);
-	auto nums = std::array<usize, CUP_COUNT>();
-	auto big_nums = std::vector<usize>(1000000);
-	{
-		auto line = std::string();
-		auto file = std::ifstream("inputs/day23.input");
-		getline(file, line);
-		for (auto i = usize(0); i < CUP_COUNT; ++i) {
-			nums[line[i] - '1'] = line[(i + 1) % CUP_COUNT] - '1';
-		}
-		start = line[0] - '1';
-		for (auto i = usize(0); i < CUP_COUNT; ++i) {
-			if (nums[i] != start) {
-				big_nums[i] = nums[i];
-			} else {
-				big_nums[i] = CUP_COUNT;
-			}
-		}
-		for (auto i = CUP_COUNT; i < big_nums.size() - 1; ++i) {
-			big_nums[i] = i + 1;
-		}
-		big_nums[big_nums.size() - 1] = start;
-	}
-
-	auto begin = usize(0);
-	auto end   = usize(0);
-
-	// Part 1
-	auto current = start;
-	for (auto i = usize(0); i < 100; ++i) {
-		begin = nums[current];
-		end   = nums[nums[begin]];
-		nums[current] = nums[end];
-		auto destination = current;
-		while (
-			   begin       == (destination = (destination + CUP_COUNT - 1) % CUP_COUNT)
-			|| nums[begin] ==  destination
-			|| end         ==  destination
-		);
-		nums[end] = nums[destination];
-		nums[destination] = begin;
-		current = nums[current];
-	}
-	auto out = std::array<c8, CUP_COUNT + 1>{ 0 };
-	for (auto i = nums[0], j = usize(0); i != 0; i = nums[i], ++j) {
-		out[j] = (i + '1');
-	}
-	print(&out[0]);
-
-	// Part 2
-	current = start;
-	for (auto i = usize(0); i < 10000000; ++i) {
-		begin = big_nums[current];
-		end   = big_nums[big_nums[begin]];
-		big_nums[current] = big_nums[end];
-		auto destination = current;
-		while (
-			   begin           == (destination = (destination + big_nums.size() - 1) % big_nums.size())
-			|| big_nums[begin] ==  destination
-			|| end             ==  destination
-		);
-		big_nums[end] = big_nums[destination];
-		big_nums[destination] = begin;
-		current = big_nums[current];
-	}
-	print(((big_nums[0] + 1) * (big_nums[big_nums[0]] + 1)));
-}
diff --git a/2020/inputs/day12.input b/2020/inputs/day12.input
deleted file mode 100644
index 31d6bc8..0000000
--- a/2020/inputs/day12.input
+++ /dev/null
@@ -1,748 +0,0 @@
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diff --git a/2020/inputs/day13.input b/2020/inputs/day13.input
deleted file mode 100644
index 20bcf07..0000000
--- a/2020/inputs/day13.input
+++ /dev/null
@@ -1,3 +0,0 @@
-1001171
-17,x,x,x,x,x,x,41,x,x,x,37,x,x,x,x,x,367,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,19,x,x,x,23,x,x,x,x,x,29,x,613,x,x,x,x,x,x,x,x,x,x,x,x,13
-
diff --git a/2020/inputs/day14.input b/2020/inputs/day14.input
deleted file mode 100644
index fa02b57..0000000
--- a/2020/inputs/day14.input
+++ /dev/null
@@ -1,556 +0,0 @@
-mask = 00X1011010111X01X1X010X01X1111X11100
-mem[13879] = 56974
-mem[26072] = 842
-mem[47322] = 62104110
-mem[31450] = 372784
-mem[54364] = 2818920
-mask = 01000X10101XX0011000X00XXX00101X0101
-mem[13358] = 73976240
-mem[41121] = 3647124
-mask = 010000X01111X0011000X01010X1001100X0
-mem[49893] = 63539
-mem[63669] = 79316429
-mem[19136] = 256
-mem[1117] = 1244
-mem[56655] = 267815
-mem[22811] = 142
-mask = 0101011010111X0111X010110000XXX1010X
-mem[40297] = 21028792
-mem[16007] = 950419537
-mem[40907] = 2010
-mem[27377] = 525
-mem[0] = 209
-mem[41317] = 2312973
-mem[4641] = 1227100
-mask = X0X000101X111001110X011X1X1010X10100
-mem[24322] = 103589922
-mem[2572] = 1231
-mem[53327] = 814998856
-mem[30460] = 25015
-mask = 00000010XX101X11X0110100X0X001X010X1
-mem[50914] = 37339
-mem[50218] = 5021282
-mask = 0X0X00X01XX0110X1101X0X010000110X101
-mem[3780] = 51750101
-mem[8561] = 638
-mem[64747] = 215
-mem[51358] = 194347939
-mem[29912] = 9717
-mem[44684] = 418165
-mask = 0X0X00101011XXX11100001X0101X01101XX
-mem[1418] = 81827528
-mem[38228] = 399582
-mem[57488] = 7003
-mem[22080] = 112130
-mem[29467] = 2198074
-mem[32800] = 35048851
-mask = 010X00001011100111X0001X0100011010X1
-mem[16589] = 1922920
-mem[31011] = 88738170
-mem[35178] = 4791
-mem[17792] = 5560
-mem[50656] = 1695
-mem[22720] = 1584409
-mem[54364] = 1486
-mask = 01XX011010X110XXX1X001010X01000X1011
-mem[19230] = 13477
-mem[41397] = 781359
-mem[11599] = 7687201
-mem[2817] = 26775
-mask = X10001XX1000100X1X00001X01X100011100
-mem[288] = 1886
-mem[32911] = 326403
-mem[48084] = 66681
-mask = 00001000X011110X11011000X0X000XX10X1
-mem[41020] = 3202
-mem[21434] = 5634478
-mask = 00X0XX001011X0X1X10X100001110111X011
-mem[33545] = 1876
-mem[28976] = 581977039
-mask = 0X11011010111101011000X1101X000X1110
-mem[19071] = 770610413
-mem[20064] = 1694
-mem[43482] = 2871
-mem[46365] = 3148234
-mem[52059] = 3513
-mem[18760] = 1548
-mem[61977] = 605
-mask = 010X01XX1X11100X11001X10X10110000001
-mem[53801] = 111695
-mem[11683] = 168184
-mem[20469] = 1949
-mask = X1010110X01111011100X010000XX0000000
-mem[55872] = 2261951
-mem[13140] = 15964
-mem[45204] = 22572
-mask = X10X0000XX111X01100011X11X1100101101
-mem[56655] = 124863920
-mem[32800] = 20227
-mem[58864] = 42605725
-mem[59474] = 859
-mem[59729] = 141193
-mem[18342] = 1631
-mask = 01100XX01011100111X00010XX01X0XX010X
-mem[13572] = 3383121
-mem[32800] = 25726954
-mem[54193] = 54397
-mem[3305] = 251510
-mem[52294] = 33972
-mask = 0100X0XX10XX11X11101001010X1X110X100
-mem[3991] = 3201095
-mem[19248] = 1173
-mem[17507] = 684436
-mem[37324] = 694
-mem[11150] = 44468495
-mem[16853] = 3978967
-mem[10293] = 3552
-mask = X0X00000X01010011011011X1000X01XX001
-mem[54689] = 1224
-mem[36536] = 33407636
-mem[22811] = 296513
-mem[58491] = 109654
-mask = 010XX1111011000X1000X1000100X00011X0
-mem[20982] = 1468
-mem[15854] = 13972
-mem[55563] = 121451
-mem[28871] = 732
-mask = 00100X100001000001001101XX100X10XX10
-mem[37549] = 11144610
-mem[58939] = 280786876
-mem[38833] = 1473210
-mem[44075] = 571
-mem[21698] = 5427778
-mem[35937] = 544693
-mask = 0100011010111XX10X00011011X010110110
-mem[63719] = 36151477
-mem[43205] = 79985
-mem[9431] = 23613381
-mem[38228] = 93679
-mem[45544] = 946568
-mask = 0X000000101010011101110X11001000XX00
-mem[2730] = 8086855
-mem[50422] = 3607
-mem[9544] = 3738
-mask = 0X0XXXX010X1100111100010000001010010
-mem[17216] = 2231300
-mem[40965] = 30453
-mem[43536] = 1780
-mem[26440] = 712936
-mem[26845] = 445304638
-mask = 01X000X1X0101001101111X1000X0001X0XX
-mem[34736] = 35
-mem[23584] = 62941351
-mask = 01X000XX1110XX11XX10010000010X00X110
-mem[35014] = 2725
-mem[31317] = 3
-mask = 000XX0XX101010X1X0X111X0100001100001
-mem[372] = 21946096
-mem[10488] = 41777407
-mem[23528] = 1708407
-mem[60206] = 182569990
-mem[44075] = 816675
-mem[43028] = 618865
-mask = 0X00X000101X1X01110XX01XX0000011X001
-mem[955] = 17506
-mem[41317] = 3162029
-mem[37] = 9168685
-mem[24435] = 33494
-mem[10291] = 901681
-mem[26688] = 23163
-mask = 0100100110X111011XX10010101101101X00
-mem[53694] = 184478
-mem[38156] = 140154654
-mem[3645] = 99833620
-mem[5194] = 7438
-mem[13132] = 187583
-mem[10626] = 213169401
-mask = 0X00X11X1011000X100000XXX0001010XX11
-mem[58468] = 3932
-mem[47108] = 13422709
-mem[20791] = 25670347
-mask = 0100010010111000110000X1X11111X0X100
-mem[64332] = 58063181
-mem[20791] = 97103200
-mem[21178] = 704
-mask = 010X000010101X0X11X111001100X1X011XX
-mem[29912] = 96861
-mem[11661] = 15933204
-mem[31973] = 1597059
-mask = 010X0010001XX001110011X0000X00101110
-mem[54377] = 929
-mem[1578] = 1628469
-mem[9066] = 1039223
-mem[54819] = 131459054
-mem[59746] = 97979749
-mem[21742] = 919
-mask = 010X000010111X011110X100X00X0000X00X
-mem[25877] = 1030474
-mem[40848] = 441
-mem[19136] = 40
-mem[41305] = 509818516
-mask = 11010011XX111011110X111011X11X00X100
-mem[56916] = 23553145
-mem[43067] = 120593523
-mem[41993] = 121958
-mem[16589] = 469
-mask = 00000XX0101111011101X1011XX1001XXXX0
-mem[44363] = 1739
-mem[15915] = 49544
-mem[5729] = 173493396
-mem[29213] = 41122
-mem[50656] = 1531
-mask = 0X010X1010111X0111000X1XX10100X101XX
-mem[58111] = 1227
-mem[45142] = 3293
-mem[30952] = 2965075
-mem[25181] = 578696
-mem[50656] = 60702685
-mask = 0111011010111XX10100X100110101000X1X
-mem[59881] = 82070
-mem[60524] = 62394
-mem[35663] = 1981
-mem[27322] = 216531615
-mem[8965] = 14469
-mem[13388] = 1148662
-mem[13342] = 92607190
-mask = X1000XX110X0111XXX010010X00101110101
-mem[2228] = 40376
-mem[64755] = 1327525
-mask = 11010010X0XX10X11X0X1X011001101X110X
-mem[15280] = 2364003
-mem[19478] = 72063090
-mem[8497] = 28240
-mem[45678] = 2811
-mem[52231] = 39955
-mask = 0X001111X011000010X01011X1000XX00X11
-mem[24827] = 1639
-mem[13879] = 119218
-mem[17610] = 6101768
-mem[48448] = 3972
-mask = XX0000X0X11110X110001111011X00010101
-mem[65388] = 9968
-mem[26462] = 45065510
-mem[27496] = 70270
-mask = 01010X1X111X1001101X101X0XX000000001
-mem[10134] = 755
-mem[34940] = 3959699
-mem[26321] = 156
-mem[63789] = 36543477
-mask = X10X001010111001X1000100001XX00X101X
-mem[59095] = 888920
-mem[26072] = 189525541
-mem[41506] = 78022
-mask = 01X000101X1X10X11010X1X010X1010X011X
-mem[19618] = 43629
-mem[16853] = 176218496
-mem[27558] = 9383
-mask = 000000X01011101111001XX00000X0000110
-mem[47738] = 782
-mem[9654] = 14755
-mask = 01X0X0001X01X101110X00000000000X0101
-mem[21742] = 34626297
-mem[10621] = 1418350
-mem[45805] = 3784031
-mask = 01XX01001011101X010X001001X1010X0100
-mem[18511] = 458
-mem[4597] = 8053
-mem[34914] = 902
-mem[11895] = 2319205
-mem[54291] = 7059674
-mem[60178] = 1495
-mem[64432] = 22061
-mask = 1X110010001110011X0X01100X1XX0X01XX0
-mem[9055] = 462699
-mem[35882] = 554265333
-mem[50939] = 52443722
-mem[20552] = 160408413
-mask = 0100010010111001X100000X01X1001001X1
-mem[28976] = 404
-mem[64843] = 813
-mem[57066] = 899
-mem[16179] = 3033125
-mask = X101X01X101110X1110011X0X00010X01001
-mem[63922] = 122921015
-mem[47325] = 66631
-mem[34914] = 122827
-mem[41369] = 723416
-mem[26321] = 350572
-mem[10260] = 11917171
-mem[20396] = 112670
-mask = 00X100101011100111XX010X011X0XX001XX
-mem[11150] = 875126074
-mem[28760] = 25307778
-mem[14951] = 445519
-mem[54291] = 394307
-mem[19109] = 15584261
-mem[8221] = 524
-mask = 01000XX011111001100000001101X111X101
-mem[58015] = 18497
-mem[63992] = 530980167
-mem[26915] = 14357281
-mem[42401] = 12123838
-mem[65275] = 14601815
-mask = 010X00X0100011X011010010X00XX100010X
-mem[49005] = 39006890
-mem[121] = 119847895
-mem[16179] = 737050
-mem[52215] = 11770
-mask = 010XX0001X10X101110XX10X00000X100111
-mem[40066] = 1188
-mem[27727] = 10855
-mem[47207] = 113852179
-mask = 0X10011XX01X1011110000011X11X0XX101X
-mem[27558] = 1280
-mem[18441] = 312
-mem[22675] = 2746277
-mem[54987] = 120268
-mask = 1101XX1010111X011XX01XX0110000001110
-mem[8285] = 6819893
-mem[56655] = 10287
-mem[39027] = 158
-mem[25922] = 2798
-mem[22261] = 36850389
-mem[46394] = 48894888
-mask = X1X10010X011100111001000XX100X1X1X00
-mem[24614] = 1802
-mem[13232] = 499261
-mask = 01XX0X1010111XX11100X011010100X0X101
-mem[63992] = 12600674
-mem[56655] = 99142656
-mem[9273] = 302251593
-mask = XX000XXX1011101111XX0010000100111X00
-mem[18088] = 20379649
-mem[47508] = 111520085
-mem[38545] = 90881967
-mem[21514] = 16333
-mem[35731] = 816238944
-mask = 110111101X11X1011010X10010000111101X
-mem[13890] = 4842901
-mem[23610] = 19829
-mem[21900] = 31928769
-mem[10595] = 228191
-mem[13375] = 24467
-mem[45544] = 149815
-mask = 010XX1X0101X100X110X1111010X1100X10X
-mem[13358] = 7851
-mem[18277] = 1322
-mem[24517] = 6165
-mem[19856] = 93677767
-mask = 010X0110101XX0011100X000X00000100111
-mem[60820] = 549270
-mem[42355] = 609632
-mem[35546] = 241510
-mem[59340] = 57067
-mask = 010X00X0X0101X001X01111011X00XX01010
-mem[58491] = 456443643
-mem[49058] = 86242
-mem[24702] = 25105
-mem[35001] = 88082598
-mem[36988] = 23981732
-mem[54815] = 19064841
-mem[52231] = 329
-mask = 0XX0001X11101XX011X1X1000000110111X1
-mem[7504] = 475530227
-mem[29138] = 11235
-mem[56376] = 76699622
-mask = 0011XXX01011100X1110X111011XX1110X00
-mem[52184] = 60066
-mem[64705] = 2343316
-mem[43172] = 28305258
-mem[5362] = 2133
-mem[38763] = 2754100
-mem[52032] = 7390
-mem[2572] = 19579691
-mask = 010XX00010101001101X111X000101110011
-mem[29623] = 24098
-mem[8946] = 24951998
-mem[11382] = 184167
-mem[47522] = 6393093
-mask = XX01001010X11X011110X000XX000100X0X1
-mem[10260] = 661
-mem[25012] = 11390
-mask = 0100001010001101110101100XX110X01XX1
-mem[9055] = 297216
-mem[49887] = 26800
-mem[18511] = 3731
-mem[26845] = 42990
-mask = 00X0X00010101X1X1001100011X001100001
-mem[19591] = 197388201
-mem[51460] = 1032
-mem[9600] = 934060
-mem[58791] = 1646732
-mem[50283] = 1235563
-mem[26455] = 5018620
-mem[288] = 481559
-mask = 010X001010110X0X1X001111000XX010011X
-mem[13491] = 1626583
-mem[36536] = 239
-mem[56224] = 9125
-mem[28105] = 22015873
-mem[44531] = 8125
-mem[18760] = 25964
-mask = X101000011111X011110100011000X010X0X
-mem[58864] = 709865577
-mem[32976] = 303129
-mem[44109] = 8025520
-mem[51706] = 3030478
-mask = 00X01X0010101X0X1X011X110000X10101X1
-mem[53349] = 146801393
-mem[372] = 27164788
-mask = 0X00000010101X011XX11110X000XX1X0001
-mem[27091] = 1227
-mem[3194] = 234
-mem[37] = 4066397
-mem[43559] = 17240
-mem[36904] = 23282
-mem[9186] = 622901569
-mem[58468] = 208767
-mask = 00XX00X010X11101X101111001110100101X
-mem[9251] = 230
-mem[61367] = 78432672
-mem[37478] = 2594
-mem[64797] = 71052818
-mem[30018] = 11711518
-mem[20324] = 64836
-mem[61185] = 1433
-mask = 010000X0101X11001101011001100XXX0010
-mem[31581] = 232228
-mem[51766] = 13503
-mem[46129] = 1071
-mem[27845] = 3969749
-mem[17643] = 282089
-mem[60524] = 10654
-mask = 010X00X01X1110011XX01010XX00X0X10101
-mem[41317] = 20899132
-mem[17792] = 1949
-mem[1117] = 4931
-mem[21452] = 423952
-mem[29912] = 36667871
-mem[10260] = 15401611
-mem[28642] = 2840753
-mask = 000000X0101111011101XXXX000X001X01X1
-mem[57488] = 297477423
-mem[8228] = 240002
-mem[45051] = 1209316
-mem[65123] = 1339
-mask = 0100000010101X001111X1011X0001X0X00X
-mem[25750] = 10538421
-mem[59160] = 13024648
-mem[7581] = 521295867
-mem[44127] = 10349
-mem[20791] = 263486916
-mem[58844] = 37364
-mem[44165] = 213775351
-mask = 010X0X0010XX10011100001X0X0X1X0001X1
-mem[20221] = 7207
-mem[2326] = 247233
-mem[54001] = 1782454
-mem[41112] = 61297
-mem[45994] = 12285
-mask = 00X00010X0X1001111000010X0X1001XX10X
-mem[22080] = 50449
-mem[32446] = 69686
-mem[46129] = 6052251
-mem[45810] = 6931
-mem[2730] = 17348930
-mem[25557] = 22866081
-mem[53007] = 2662
-mask = 00000X1010111X0111011X01000X10X0XX01
-mem[26747] = 237030337
-mem[47589] = 912076
-mem[7333] = 105514
-mem[62613] = 1442076
-mem[293] = 1883
-mask = X1001X1010101111110XX010100000100X01
-mem[64864] = 522211793
-mem[381] = 395572639
-mem[39482] = 641
-mem[47108] = 37814
-mask = 00X00111101110111X001101001110XXX00X
-mem[16554] = 1304638
-mem[56666] = 189089562
-mem[12934] = 138931
-mem[63122] = 607569
-mem[37147] = 131399848
-mask = 0X1X11101XX11X0X11100111X100001111X0
-mem[24256] = 156773
-mem[14436] = 485469048
-mem[20781] = 376
-mem[23284] = 879110
-mem[2582] = 42478
-mem[39002] = 3578
-mask = 0000XX0X101010011XX000X0000X01100X01
-mem[40945] = 11048
-mem[36114] = 13782606
-mem[2325] = 185202507
-mem[33715] = 4806448
-mem[61649] = 3756998
-mem[55852] = 117
-mask = 01000000101X1011110010010XXX0XX11110
-mem[5881] = 13440134
-mem[22720] = 962895873
-mem[25142] = 11785
-mask = 0101011010111001010011100XX0011111XX
-mem[586] = 209
-mem[51207] = 145606
-mem[21220] = 62604
-mem[45100] = 34084913
-mem[30986] = 310031
-mem[56443] = 483530965
-mask = 0000100000X1X10X11X1100010100X011001
-mem[41487] = 38587945
-mem[21434] = 249215427
-mem[7230] = 111149021
-mask = X101X010XXX1100101X0X10100100111111X
-mem[40840] = 2606
-mem[63190] = 2447
-mem[60328] = 40915
-mem[45620] = 13499
-mask = 001X0010101110X1X1X0X11X0010X0X001X0
-mem[62719] = 785
-mem[19974] = 42859172
-mem[51864] = 44741
-mem[63056] = 27482866
-mask = X0X1X0101011X001X100101100101XX1X000
-mem[39205] = 10997188
-mem[14100] = 29987320
-mem[616] = 278639655
-mask = 0100000X10101X011X1111000X00X0111000
-mem[49278] = 610
-mem[9321] = 333537
-mem[22656] = 4066
-mem[8228] = 2791399
-mem[9251] = 3866
-mask = X00100X01011100X1X0XX000111011X00011
-mem[58260] = 459
-mem[18311] = 40779317
-mem[10291] = 3362
-mem[16865] = 1236
-mask = X100X000X010110111X0001100000001X011
-mem[1826] = 108687499
-mem[4087] = 243589
-mem[47489] = 474492676
-mem[4129] = 16244
-mem[29617] = 819406
-mem[43545] = 108512190
-mask = 010X0XX0101110X1X100X01X000X0X110100
-mem[57918] = 102433847
-mem[33825] = 9
-mem[372] = 230834
-mem[19591] = 7380
-mem[65409] = 98189
-mem[36391] = 3033
-mask = X101X000101111011000X10X100100100000
-mem[54029] = 347451
-mem[28001] = 82660784
-mask = 01X0000010101001X1000000X0X000110101
-mem[37266] = 1643
-mem[52294] = 242323894
-mem[40965] = 11451
-mem[52532] = 1191041
-mem[1994] = 1830445
-mem[16066] = 694
-mask = 0X100010X0X1XX0X01001X10X1100X110000
-mem[60293] = 92656839
-mem[8228] = 24889387
-mem[13951] = 25158
diff --git a/2020/inputs/day15.input b/2020/inputs/day15.input
deleted file mode 100644
index 3576b75..0000000
--- a/2020/inputs/day15.input
+++ /dev/null
@@ -1 +0,0 @@
-0,13,1,8,6,15
diff --git a/2020/inputs/day16.input b/2020/inputs/day16.input
deleted file mode 100644
index 3a28a2a..0000000
--- a/2020/inputs/day16.input
+++ /dev/null
@@ -1,260 +0,0 @@
-departure location: 34-724 or 735-974
-departure station: 40-521 or 534-950
-departure platform: 40-329 or 353-973
-departure track: 37-258 or 268-964
-departure date: 32-650 or 665-964
-departure time: 39-373 or 398-950
-arrival location: 42-431 or 447-952
-arrival station: 36-536 or 552-972
-arrival platform: 45-666 or 678-952
-arrival track: 49-836 or 852-952
-class: 35-600 or 623-953
-duration: 50-920 or 929-950
-price: 35-853 or 870-973
-route: 34-309 or 318-965
-row: 42-267 or 292-962
-seat: 46-632 or 642-954
-train: 47-746 or 754-960
-type: 32-406 or 423-963
-wagon: 37-797 or 810-973
-zone: 35-766 or 784-952
-
-your ticket:
-113,53,97,59,139,73,89,109,67,71,79,127,149,107,137,83,131,101,61,103
-
-nearby tickets:
-688,200,60,127,239,85,167,91,792,373,724,244,451,659,133,471,240,649,402,554
-686,424,398,148,91,729,425,231,318,711,209,166,665,105,227,579,229,937,876,495
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diff --git a/2020/inputs/day17.input b/2020/inputs/day17.input
deleted file mode 100644
index 9883294..0000000
--- a/2020/inputs/day17.input
+++ /dev/null
@@ -1,8 +0,0 @@
-###...#.
-.##.####
-.####.##
-###.###.
-.##.####
-#.##..#.
-##.####.
-.####.#.
diff --git a/2020/inputs/day18.input b/2020/inputs/day18.input
deleted file mode 100644
index ea3aedd..0000000
--- a/2020/inputs/day18.input
+++ /dev/null
@@ -1,377 +0,0 @@
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-(3 + 8) + 4 + (7 + 2 * 9) * 7 * 8 + 4
-8 + 3 + 4 + 6 * ((6 + 7 * 4 + 6) + 6 + 3 + 9 * 6)
-(4 * 8) * (9 + (2 + 4 * 6 + 4 + 8)) * 3 + 9 * 4 + 8
-5 * 4 + (9 + (2 * 8)) + 9 * 2
-9 * 2 + (3 * 2 + 5 + (3 * 8 + 5 * 2 * 5 + 6) * 5 + 8) * 7 * 2
-8 + (3 * 5 + 2 * 7 + 8 * 2)
-5 + (4 * 7 + 2) + (5 + 8 * 5 + (4 * 9) + (3 + 3))
-((4 * 5 * 8 + 6 + 8) * 9 * 3 + 4) * 8 + 9 * 7
-((6 * 6 + 5 * 4 + 2 + 4) * 7 + 5 + 9 * 8) * 5 + 9
-5 + (9 + 5 * 9 + 6 * 3) * ((3 * 6) * 2 + 8) + 3
-((6 + 5) * 5 * 6 * 9 * 8) + 3 * 7
-(8 * 6 + (5 + 5) + 4) * 7 + 3 + 8
-4 + (2 * 3 * 8 + 3 + 3) * 8
-2 * (7 + 6 + 2 + 3) * 8 + 2 + 2 * (4 * 3 * 5 * 8)
-6 * (8 + (3 * 6 + 8 + 8 + 6) * 9)
-((8 * 3 + 2) * 6 * 2 * (5 + 6 * 2 * 8)) + 8
-6 + (6 * 5 + (5 * 9) * (6 * 5 + 8 * 2 + 5)) * (8 * (3 * 3 * 5) + 9) * 7
-(7 + 6 + 2 * 5) + 2 + 6
-(8 * 7 * (6 * 4 + 6 * 3) * 6) + 4 * 5 * (5 * (2 * 2 * 9) * 4 + (2 * 6 * 5) + 9 + 9)
-((3 * 2) + 7 + 6 + 4 * 9) + 4 + 2 + 7 + (4 * (7 * 9 * 2) * 3)
-(3 * (5 * 9 + 9 + 9 * 9)) + (9 + (4 * 4 * 6) * 9) + 9 * 7 + 4 * 9
-4 + (6 * 6) * (9 * 8) * 9 + (6 + 7 * 5 + (2 + 9))
-(8 + (5 + 7)) + 7 * 8 * 9 + 9
-8 + 4 + 6 * (5 * 3 + 8 + 7) * 6 * 3
-3 + 9 + 6 + (2 + 8 + (8 + 5 * 5) * 4 + 4 * 8) * 9 * 3
-(4 + 4 * 3 + 4) * 8 * 4 + 4 + 6
-2 * (3 * 6) + (4 + 3 * 8 + 5 + (6 * 5 * 2 + 5 + 2 * 9))
-4 * 3 + (7 + 7 * 3 * 5 * 4 * 4) + (8 + 5 * 8) * (2 * 4) + 8
-(4 * 9 * 6 + 6) * (6 * (8 + 4 * 9)) + 6 + ((4 + 2 * 9) * (3 + 3 + 6 + 3) + 9 * 9 + 8 * 7)
-2 * 5 + 5 * (8 + 4 * 3 + (7 + 6) * 7 + 3) * 8
-((3 * 4 + 4 * 9) * 6 + 7 * 4 + 7 * 2) * 7 * (7 + 9 + 6 * 8) + (3 * (6 * 6 * 9 * 7 + 4) * 5 * 2 + 3 + 4) * 8
-(5 + 6 + 9 + 3 * 3 + (2 + 8 + 5 + 3)) + (2 * 5 + 6 * 9 * 6) * 2 + 9 * ((5 * 9) + 8 * 8 * (7 * 4 * 3 * 4 * 4 * 7))
-2 + 8 + 4 + 7 * ((8 + 7 + 8 * 3) + 9 * 2 + 6 + 3) + 6
-4 * (8 * 8 * 4) * 9 + (7 + 7 + 2 * 2) * 6 + 8
-3 + (6 * 4 * 6 + 3 * 9 + 3) * 7 + 3 + 4
-3 * 4
-(4 * 6 * 4) + 3 + 7 + 6 * 9 + 7
-3 * (6 + 8 * 4 * 2) + 5 + 5 * (4 + 6 + 2 + 6)
-(5 + 2 + 4 * 2 * 2) + (5 + 5 * 5 * 3) + 3 * (4 + 9 + 6 * 6 + 2)
-((6 + 9) * 6 + (3 + 7 * 4 + 2 + 5 * 6) + 3 + 5 * 2) * (2 * (5 * 9 + 9) * 5) + 8
-9 * 8 * 9 * 8
-6 * 8 * 4 * 4 + 4 * 4
-((8 * 7 * 6 * 3) + 7 * 2 * 6 * (4 + 6 * 5 * 9 * 5) * 8) * (3 * (4 * 6 + 8 + 2 + 6 * 2) + (2 * 4 + 4 * 7 + 3 * 5) * 9 + 9 + 8)
-(3 * 5 * 7 * 4 + (4 + 6 + 6 + 9 * 6 * 3) * 5) * 6
-(4 * 4 * 5 * 8 * (3 + 4) + 7) + 6 + 4 + (8 + 3)
-9 * 7 + 8 + 2 * 3 * (3 + (2 * 3 * 7 * 5 * 9) + 8 * 9 * 5)
-((3 * 6) + 3 + 9) + 7 * 8 * 3 * 9
-8 * 4 * (6 * 9) * 3
-9 + ((5 + 3 + 4 * 3 * 9 * 6) * 6 + 9 + 3 + 8 * (5 + 4 + 7)) + 9 * 4
-(4 + 6 * 3 + 2 * 9) * (6 * 9 * 4 + 7) + 8 + 8 + 6
-(5 * 3 * 6 * 3) * 7 * (5 + 6 * 6 * 5)
-4 * 6 * 8 + ((4 + 7 + 6) * 4 + (4 * 7)) * 8
-6 + ((4 * 9 + 6 + 5 * 5 * 7) * 5 * 3) + 7
-(8 * 4 + 8 + 9 * 9) + (5 * 6 + 3 + 6 * (9 + 8 * 7 * 6 * 8 + 6) + 5) * 9 + (6 + 6 * 2 + 2 * 4 + 8) * 5 * (8 + 5 + 2 + 3)
-(8 * 2 + (7 * 9) + 8) + 3
-2 + 9 * 6 + 5 * (3 * 7 + 8) + 3
-((9 * 2 * 5) + (9 + 8 + 8 * 9) * 7 * 7 + 9) + 2 + 8 + 3 + (5 + 7)
-5 + 9 + 5 * 4 + 3 + 5
-4 + 9 * (6 * (7 + 7 + 9 * 3) * 5 + 3 * 3)
-2 + 8 + 6 * 8 * (4 + (9 * 8) * 2) + 2
-3 + 7
-8 + 7 + 8 * (5 + 7 * 9 * 9 * 8)
-6 + (3 + (5 * 3) + (9 + 6 * 9) * 4 + 8)
-7 * 2 + (5 * 6 + 2 + 6 * 3 + (9 + 7 + 7 * 8 + 9 * 7)) * 8 * 7 * 7
-(6 + 3 * 5 * 6) + (2 * 2 * 5) + 8 * 3 * 3 + 5
-(2 * 8 + 6 * (6 + 3 * 2 + 7 * 7 + 6) * 5 + 5) * 3
-(6 * 9 + (5 + 9 * 8) + 2 * (6 * 8 * 8 + 6 + 3) * 7) * (7 + 3 * 5)
-4 * 2 + 8 * 9 + 3
-8 * ((5 * 2 * 5 + 9 + 4) * 4 * 2) * 8 + (3 + 2 + 3 * 7 * 8 + 5) + 4
-9 * 9 * 5
-3 * 2 * 8 * (6 + 5 * 9 + 6)
diff --git a/2020/inputs/day19.input b/2020/inputs/day19.input
deleted file mode 100644
index bb765f9..0000000
--- a/2020/inputs/day19.input
+++ /dev/null
@@ -1,587 +0,0 @@
-27: 116 44 | 127 69
-19: 60 116 | 55 127
-91: 127 13 | 116 127
-11: 42 31
-30: 80 116 | 100 127
-53: 78 116 | 100 127
-47: 116 129 | 127 76
-21: 57 127 | 100 116
-26: 86 116 | 28 127
-86: 127 122 | 116 29
-74: 127 39 | 116 105
-41: 118 116 | 132 127
-13: 116 | 127
-115: 82 116 | 72 127
-100: 116 116 | 116 127
-5: 78 127 | 91 116
-31: 101 127 | 121 116
-134: 116 117
-73: 123 116 | 62 127
-69: 116 124 | 127 77
-28: 71 116 | 66 127
-14: 131 116 | 128 127
-111: 127 59 | 116 117
-6: 127 53 | 116 79
-104: 26 116 | 65 127
-61: 78 127 | 56 116
-67: 127 30 | 116 130
-32: 81 127 | 27 116
-2: 116 117 | 127 72
-128: 57 116 | 91 127
-81: 127 96 | 116 51
-38: 127 59 | 116 54
-36: 22 127 | 107 116
-35: 116 61 | 127 24
-7: 116 100
-18: 16 116 | 82 127
-116: "a"
-54: 116 116 | 127 116
-84: 20 116 | 93 127
-92: 38 127 | 111 116
-64: 127 57 | 116 82
-105: 116 43 | 127 110
-44: 127 106 | 116 88
-93: 33 116 | 56 127
-82: 116 13 | 127 116
-75: 2 127 | 9 116
-65: 127 97 | 116 36
-4: 5 127 | 98 116
-1: 114 127 | 58 116
-122: 54 127 | 59 116
-70: 116 67 | 127 75
-117: 127 127
-68: 48 127 | 40 116
-97: 127 95 | 116 113
-132: 127 33 | 116 54
-51: 23 127 | 30 116
-119: 127 37 | 116 103
-63: 57 127 | 59 116
-34: 57 13
-48: 116 73 | 127 47
-23: 82 127 | 59 116
-66: 127 82 | 116 78
-95: 127 100 | 116 82
-123: 117 116 | 82 127
-24: 116 33
-120: 49 127 | 99 116
-103: 127 90 | 116 83
-102: 72 13
-58: 46 116 | 45 127
-106: 56 127 | 117 116
-85: 126 127 | 133 116
-3: 74 116 | 85 127
-20: 33 127 | 56 116
-127: "b"
-45: 116 102 | 127 18
-126: 127 41 | 116 112
-94: 116 87 | 127 21
-114: 35 116 | 19 127
-0: 8 11
-99: 127 34 | 116 76
-80: 116 127 | 127 116
-50: 15 116 | 7 127
-55: 127 91 | 116 59
-90: 92 127 | 94 116
-25: 57 116 | 54 127
-124: 116 57 | 127 91
-77: 78 116 | 78 127
-56: 127 127 | 116 116
-79: 116 59 | 127 57
-12: 127 64 | 116 115
-130: 17 127 | 33 116
-8: 42
-60: 116 72 | 127 59
-113: 117 127 | 117 116
-131: 16 127 | 56 116
-46: 134 116 | 62 127
-83: 6 127 | 50 116
-33: 116 116
-88: 116 57 | 127 54
-118: 116 100 | 127 54
-125: 100 116
-121: 32 116 | 104 127
-29: 127 17 | 116 57
-101: 127 1 | 116 68
-22: 116 117 | 127 100
-43: 127 125 | 116 22
-10: 29 127 | 63 116
-112: 98 116 | 107 127
-87: 80 127 | 57 116
-129: 54 116 | 17 127
-98: 116 80 | 127 117
-57: 116 116 | 127 13
-107: 127 72 | 116 59
-40: 116 14 | 127 4
-39: 12 116 | 84 127
-133: 116 108 | 127 10
-71: 127 56 | 116 54
-76: 116 78 | 127 33
-15: 127 59 | 116 78
-42: 119 116 | 3 127
-9: 127 72 | 116 100
-72: 127 127 | 127 116
-17: 13 13
-16: 116 116 | 13 127
-49: 53 127 | 25 116
-62: 127 80 | 116 100
-52: 72 116 | 33 127
-37: 70 127 | 120 116
-110: 89 127 | 87 116
-96: 116 52 | 127 55
-78: 116 127
-108: 127 109 | 116 71
-109: 116 59 | 127 16
-59: 116 127 | 127 127
-89: 57 127 | 33 116
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diff --git a/2020/inputs/day23.input b/2020/inputs/day23.input
deleted file mode 100644
index f5a2d22..0000000
--- a/2020/inputs/day23.input
+++ /dev/null
@@ -1 +0,0 @@
-247819356