pair,contact1,contact2,flow1,flow2
2jnd_B_,1,4,1,1
2jnd_B_,1,5,1,1
2jnd_B_,4,8,1,1
2jnd_B_,5,9,1,1
2jnd_B_,6,10,1,1
2jnd_B_,7,11,1,1
2jnd_B_,8,11,1,1
2jnd_B_,9,12,1,1