Advent of code 2023 Day 1: https://adventofcode.com/2023/day/1 Day 2: https://adventofcode.com/2023/day/2 Day 3: https://adventofcode.com/2023/day/3 Day 4: https://adventofcode.com/2023/day/4 Day 5: https://adventofcode.com/2023/day/5 Day 6: https://adventofcode.com/2023/day/6