pair,contact1,contact2,flow1,flow2
4or5_C_,5,7,1,1
4or5_C_,5,8,1,1
4or5_C_,9,12,1,1
4or5_C_,10,13,1,1
4or5_C_,20,21,1,1
4or5_C_,20,33,1,1
4or5_C_,22,33,1,1
4or5_C_,23,25,1,1
4or5_C_,23,30,1,1
4or5_C_,23,41,1,1
4or5_C_,25,41,1,1
4or5_C_,27,31,1,1
4or5_C_,29,32,1,1
4or5_C_,30,33,1,1
4or5_C_,33,34,1,1
4or5_C_,33,37,1,1
4or5_C_,34,38,1,1
4or5_C_,35,39,1,1
4or5_C_,36,40,1,1
4or5_C_,37,40,1,1
4or5_C_,37,41,1,1
4or5_C_,38,43,1,1
4or5_C_,39,45,1,1