# A217039 (b-file synthesized from sequence entry)
1 5
2 7
3 47
4 457
5 547
6 557
7 577
8 757
9 4447
10 4457
11 4547
12 5477
13 5557
14 7457
15 7477
16 7547
17 7577
18 7757
19 44777
20 45557
21 45757
22 47777
23 54547
24 54577
25 55457
26 55547
27 57457
28 57557
29 74747
30 75557
31 75577
32 77447
33 77477
34 77557
35 77747
36 444547
37 444557
38 445447
39 445477
40 445747
41 447757