pair,contact1,contact2,flow1,flow2
1vit_L_,8,17,1,1
1vit_L_,10,12,1,1
1vit_L_,12,15,1,1
1vit_L_,12,17,1,1
1vit_L_,15,18,1,1
1vit_L_,15,20,1,1