2, 3, 4, 5, 6, 7
2, 3, 4, 5, 6, 7, 1, 10, 12, 2, 3, 6, 7, 9
2, 3, 4, 5, 6, 7, 1, 10, 12, 2, 3, 6, 7, 9, 1, 3