1, 12, 16, 2, 3, 4, 6, 8
1, 12, 16, 2, 3, 4, 6, 8, 1, 10, 13, 14, 15, 16, 17, 19, 2, 20, 22, 23, 24, 25, 27, 3, 31, 33, 35, 8, 9