1, 2, 3, 4, 5, 6, 11, 22, 33, 44, 55, 66, 111, 222, 333, 444, 555, 666, 1111, 2222, 3333, 4444, 5555, 6666, 12, 23, 34, 45, 56, 61, 65, 54, 43, 32, 21, 16, 16, 52, 42, 43,