[1,10,110,1100,11100,111000,1111000,11110000, 111110000,1111100000,11111100000,111111000000, 1111111000000,11111110000000,111111110000000, 1111111100000000,11111111100000000, 111111111000000000,1111111111000000000, 11111111110000000000]