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