1, 11, 12, 16, 20, 3, 4, 5, 6, 7, 8
1, 11, 12, 16, 20, 3, 4, 5, 6, 7, 8, 1, 111, 15, 16, 18, 19, 2, 20, 4, 5, 6, 7, 8, 9