pair,contact1,contact2,flow1,flow2
1z3p_S_,2,10,1,1
1z3p_S_,3,6,1,1
1z3p_S_,3,7,1,1
1z3p_S_,4,8,1,1
1z3p_S_,5,9,1,1
1z3p_S_,6,10,1,1
1z3p_S_,7,11,1,1
1z3p_S_,8,12,1,1