pair,contact1,contact2,flow1,flow2
2wsc_J_,3,7,1,1
2wsc_J_,13,16,1,1
2wsc_J_,14,17,1,1
2wsc_J_,15,19,1,1
2wsc_J_,21,24,1,1
2wsc_J_,27,30,1,1
2wsc_J_,28,31,1,1
2wsc_J_,35,36,1,1
2wsc_J_,37,38,1,1