2, 4

2, 4, 1, 2, 3, 4, 5, 6

2, 4, 1, 2, 3, 4, 5, 6

2, 4, 1, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6

2, 4, 1, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6, 2, 4

2, 4, 1, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6, 2, 4, 1, 2, 3, 4, 5, 6, 8

2, 4, 1, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6, 2, 4, 1, 2, 3, 4, 5, 6, 8, 1, 10, 12, 14, 2, 3, 4, 5, 6, 7, 8, 9

2, 4, 1, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6, 2, 4, 1, 2, 3, 4, 5, 6, 8, 1, 10, 12, 14, 2, 3, 4, 5, 6, 7, 8, 9, 1, 10, 11, 12, 2, 3, 4, 5, 6, 7, 8, 9

2, 4, 1, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6, 2, 4, 1, 2, 3, 4, 5, 6, 8, 1, 10, 12, 14, 2, 3, 4, 5, 6, 7, 8, 9, 1, 10, 11, 12, 2, 3, 4, 5, 6, 7, 8, 9, 1, 10, 11, 2, 3, 4, 5, 6, 7, 8, 9

2, 4, 1, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6, 2, 4, 1, 2, 3, 4, 5, 6, 8, 1, 10, 12, 14, 2, 3, 4, 5, 6, 7, 8, 9, 1, 10, 11, 12, 2, 3, 4, 5, 6, 7, 8, 9, 1, 10, 11, 2, 3, 4, 5, 6, 7, 8, 9, 1, 10, 11, 12, 13, 14, 15, 17, 19, 2, 20, 21, 24, 3, 4, 5, 6, 7, 8, 9

2, 4, 1, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6, 2, 4, 1, 2, 3, 4, 5, 6, 8, 1, 10, 12, 14, 2, 3, 4, 5, 6, 7, 8, 9, 1, 10, 11, 12, 2, 3, 4, 5, 6, 7, 8, 9, 1, 10, 11, 2, 3, 4, 5, 6, 7, 8, 9, 1, 10, 11, 12, 13, 14, 15, 17, 19, 2, 20, 21, 24, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3, 4, 5, 7, 9