pair,contact1,contact2,flow1,flow2
1uvt_L_,4,7,1,1
1uvt_L_,4,8,1,1
1uvt_L_,4,9,1,1
1uvt_L_,4,14,1,1
1uvt_L_,7,12,1,1
1uvt_L_,8,11,1,1