[1,2,11,12,21,101,1001,1002,1011,10001,10002, 10011,10012,10021,10101,11001,11002,100001,100002, 100011,100012,100021,100101,101001,101002,101011, 110001,110002,110011,110012,110021,110101,111001, 111002,200001]