pair,contact1,contact2,flow1,flow2
7md4_P_,1,3,1,1
7md4_P_,4,7,1,1
7md4_P_,5,8,1,1
7md4_P_,6,10,1,1
7md4_P_,7,11,1,1
7md4_P_,8,12,1,1
7md4_P_,9,13,1,1
7md4_P_,11,15,1,1
7md4_P_,12,16,1,1
7md4_P_,18,20,1,1