# A061818 (b-file synthesized from sequence entry)
0 0
1 2
2 10
3 12
4 20
5 22
6 100
7 102
8 110
9 112
10 120
11 122
12 200
13 202
14 210
15 212
16 220
17 222
18 1000
19 1002
20 1010
21 1012
22 1020
23 1022
24 1100
25 1102
26 1110
27 1112
28 1120
29 1122
30 1200
31 1202
32 1210
33 1212
34 1220
35 1222
36 2000
37 2002
38 2010
39 2012
40 2020
41 2022
42 2100
43 2102
44 2110
45 2112
46 2120