# A126009 (b-file synthesized from sequence entry)
0 0
1 2
2 1
3 3
4 9
5 10
6 8
7 12
8 6
9 4
10 5
11 11
12 7
13 17
14 18
15 19
16 20
17 13
18 14
19 15
20 16
21 21