1, 2, 3, 4, 5
1, 2, 3, 4, 5, 1, 10, 11, 12, 13, 15, 16, 17, 19, 2, 21, 23, 24, 25, 26, 27, 28, 29, 3, 30, 4, 5, 7, 8, 9