pair,contact1,contact2,flow1,flow2
1nc8_A_,7,16,1,1
1nc8_A_,8,13,1,1
1nc8_A_,9,14,1,1
1nc8_A_,9,17,1,1
1nc8_A_,17,22,1,1
1nc8_A_,18,21,1,1
1nc8_A_,18,22,1,1
1nc8_A_,19,22,1,1