1, 2, 3, 4, 5, 7
1, 2, 3, 4, 5, 7, 11, 12, 2, 5
1, 2, 3, 4, 5, 7, 11, 12, 2, 5, 1, 10, 11, 12, 15, 18, 26, 3, 5, 7, 8, 9