pair,contact1,contact2,flow1,flow2
1b53_A_,8,10,1,1
1b53_A_,20,23,1,1
1b53_A_,21,24,1,1
1b53_A_,39,51,1,1
1b53_A_,43,45,1,1
1b53_A_,52,55,1,1
1b53_A_,55,58,1,1
1b53_A_,55,59,1,1
1b53_A_,59,63,1,1