0, 1, 1, 10, 11, 10, 11, 110, 101, 11, 20, 111, 1010, 111, 20, 21, 120, 1011, 1110, 201, 21, 100, 121, 1020, 1111, 2010, 211, 100, 101, 1100, 1021, 1120, 2011, 2110, 1001, 101, 110, 1101, 10100, 1121, 2020, 2111, 10010, 1011, 110, 111, 1110, 10101, 11100
