# A101678 (b-file synthesized from sequence entry)
0 1
1 -1
2 9
3 1
4 89
5 -99
6 991
7 -1
8 9909
9 -9899
10 88991
11 9999
12 899911
13 -999901
14 9999009
15 1
16 99990089
17 -99990099
18 899910991
19 99989999
20 8899099911
21 -9898999901
22 99089999009
23 -99999999
24 990999990091
25 -989999990101
26 8899999911009
27 999999990001
28 89999999100089
29 -99999999000099