[1,2,10,3,100,4,1000,5,10000,6,100000,7,1000000,8, 10000000,9,100000001,11,12,101,13,1001,14,10001, 15,100001,16,1000001,17,10000001,18,100000002,102, 103,1002,104,10002,105,100002,106,1000002,107, 10000002,108,100000003]