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