pair,contact1,contact2,flow1,flow2
2n16_A_,1,3,1,1
2n16_A_,3,5,1,1
2n16_A_,10,13,1,1
2n16_A_,11,14,1,1
2n16_A_,12,15,1,1
2n16_A_,14,18,1,1