1, 2, 4, 6
1, 2, 4, 6, 1, 10, 2, 3, 4, 5, 6, 8
1, 2, 4, 6, 1, 10, 2, 3, 4, 5, 6, 8, 1, 11, 13, 3, 5, 7, 9