[1,2,11,12,21,22,31,101,1001,1002,1011,1012,1021, 10001,100001,100002,100011,100012,100021,1000001, 1000002,1000011,1000012,1000021,1000022,1000031, 1000101,1001001,1001002,1001011,1001012,1001021, 1010001]