pair,contact1,contact2,flow1,flow2
2n1a_B_,8,19,1,1
2n1a_B_,9,13,1,1
2n1a_B_,14,15,1,1
2n1a_B_,17,18,1,1
2n1a_B_,20,30,1,1
2n1a_B_,21,45,1,1
2n1a_B_,22,28,1,1
2n1a_B_,22,40,1,1
2n1a_B_,22,42,1,1
2n1a_B_,25,40,1,1
2n1a_B_,25,42,1,1
2n1a_B_,31,35,1,1
2n1a_B_,32,36,1,1
2n1a_B_,33,37,1,1
2n1a_B_,34,38,1,1
2n1a_B_,35,39,1,1