# A231155 (b-file synthesized from sequence entry)
2 9
3 88
4 999
5 9999
6 77777
7 999999
8 9999999
9 88888888
10 999999999
11 9999999999
12 77777777777
13 999999999999
14 9999999999999
15 88888888888888
16 999999999999999
17 9999999999999999
18 77777777777777777
19 999999999999999999
20 9999999999999999999