# replaces a b-file that was too long for a dead sequence ... 
0 1
1 6
2 11
3 16
4 21
5 26
6 31
7 36
8 41
9 46
10 51
11 56
12 61
13 66
14 71
15 76
16 81
17 86
18 91
19 96
20 101
21 106
22 111
23 116
24 121
25 126
26 131
27 136
28 141
29 146
30 151
31 156
32 161
33 166
34 171
35 176
36 181
37 186
38 191
39 196
40 201