1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
1 0 2 0 2 1 3 0 3 1 3 2 4 0 4 1 4 2 4 3 Done! 0 15 0 13 0 11 1 15 1 13 1 11 2 15 2 13 2 11 3 15 3 13 3 11 Also done!