2
2, 1, 10, 11, 12, 14, 2, 3, 4, 5, 6, 7, 8, 9
2, 1, 10, 11, 12, 14, 2, 3, 4, 5, 6, 7, 8, 9, 1, 11, 13, 15, 17, 19, 3, 5, 7, 9