this is a nominal superimpose file

2 edgeIDs
18 equivalences

BondingIDs

10
1

EdgeIDs

16
8

Equivalences

1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	13
14	14
15	15
16	16
17	17
18	18