2021 Advent of Code Solutions Code is written in Go (1.17.5) as an opportunity to explore and learn the language. Challenges December 2021 Mon Tue Wed Thu Fri Sat Sun 1 2 3 4 5 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31