1, 17, 19, 21, 31, 7, 9/1, 9/2
1, 17, 19, 21, 31, 7, 9/1, 9/2, 1, 10, 11, 12, 13, 14, 15, 16, 18, 2, 20, 23, 25, 26, 27, 28, 3, 4, 6, 7, 8, 9