[1,2,11,12,21,22,31,32,41,101,1001,1002,1011,1012, 1021,1022,1031,10001,100001,100002,100011,100012, 100021,100022,100031,1000001,10000001,10000002, 10000011,10000012,10000021,10000022,10000031, 100000001]