1, 2, 3, 4

1, 2, 3, 4

1, 2, 3, 4, 1, 10, 11, 12, 16, 2, 20, 3, 4, 5, 6, 7, 8, 9

1, 2, 3, 4, 1, 10, 11, 12, 16, 2, 20, 3, 4, 5, 6, 7, 8, 9, 1, 10, 11, 12, 13, 14, 2, 3, 4, 5, 6, 7, 8, 9

1, 2, 3, 4, 1, 10, 11, 12, 16, 2, 20, 3, 4, 5, 6, 7, 8, 9, 1, 10, 11, 12, 13, 14, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3, 4, 5

1, 2, 3, 4, 1, 10, 11, 12, 16, 2, 20, 3, 4, 5, 6, 7, 8, 9, 1, 10, 11, 12, 13, 14, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3, 4, 5, 1, 10, 11, 13, 14, 15, 16, 17, 18, 19, 2, 21, 24, 26, 28, 29, 3, 30, 31, 33, 37, 39, 4, 41, 42, 43, 44, 45, 46, 47, 48, 49, 5, 50, 6, 7, 8, 9

1, 2, 3, 4, 1, 10, 11, 12, 16, 2, 20, 3, 4, 5, 6, 7, 8, 9, 1, 10, 11, 12, 13, 14, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3, 4, 5, 1, 10, 11, 13, 14, 15, 16, 17, 18, 19, 2, 21, 24, 26, 28, 29, 3, 30, 31, 33, 37, 39, 4, 41, 42, 43, 44, 45, 46, 47, 48, 49, 5, 50, 6, 7, 8, 9, 1, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 2, 21, 22, 23, 24, 25, 26, 27, 29, 3, 30, 31, 33, 35, 37, 4, 5, 6, 7, 8, 9