pair,contact1,contact2,flow1,flow2
1c4u_1_,5,14,1,1
1c4u_1_,8,14,1,1
1c4u_1_,9,12,1,1
1c4u_1_,9,13,1,1
1c4u_1_,9,14,1,1
1c4u_1_,9,19,1,1
1c4u_1_,12,15,1,1
1c4u_1_,12,17,1,1
1c4u_1_,13,16,1,1