pair,contact1,contact2,flow1,flow2
3s9s_B_,2,6,1,1
3s9s_B_,3,7,1,1
3s9s_B_,4,8,1,1
3s9s_B_,5,9,1,1
3s9s_B_,6,9,1,1
3s9s_B_,6,10,1,1