pair,contact1,contact2,flow1,flow2
2f77_X_,6,9,1,1
2f77_X_,6,10,1,1
2f77_X_,7,11,1,1
2f77_X_,8,12,1,1
2f77_X_,9,13,1,1
2f77_X_,10,14,1,1
2f77_X_,11,15,1,1
2f77_X_,12,16,1,1
2f77_X_,13,17,1,1
2f77_X_,14,18,1,1
2f77_X_,15,19,1,1
2f77_X_,16,20,1,1
2f77_X_,17,21,1,1
2f77_X_,18,21,1,1
2f77_X_,18,22,1,1
2f77_X_,19,23,1,1
2f77_X_,20,23,1,1
2f77_X_,27,30,1,1
2f77_X_,28,31,1,1
2f77_X_,28,32,1,1
2f77_X_,29,33,1,1
2f77_X_,30,34,1,1
2f77_X_,31,35,1,1
2f77_X_,32,36,1,1
2f77_X_,33,37,1,1
2f77_X_,33,50,1,1
2f77_X_,34,38,1,1
2f77_X_,35,39,1,1
2f77_X_,36,40,1,1
2f77_X_,37,41,1,1
2f77_X_,38,41,1,1
2f77_X_,39,44,1,1
2f77_X_,45,47,1,1
2f77_X_,52,56,1,1
2f77_X_,53,56,1,1
2f77_X_,54,99,1,1
2f77_X_,55,59,1,1
2f77_X_,56,60,1,1
2f77_X_,57,61,1,1
2f77_X_,58,62,1,1
2f77_X_,59,63,1,1
2f77_X_,60,64,1,1
2f77_X_,61,65,1,1
2f77_X_,62,66,1,1
2f77_X_,63,67,1,1
2f77_X_,64,68,1,1
2f77_X_,65,69,1,1
2f77_X_,66,70,1,1
2f77_X_,66,71,1,1
2f77_X_,76,79,1,1
2f77_X_,77,81,1,1
2f77_X_,78,82,1,1
2f77_X_,79,83,1,1
2f77_X_,80,84,1,1
2f77_X_,81,85,1,1
2f77_X_,82,86,1,1
2f77_X_,83,87,1,1
2f77_X_,84,88,1,1
2f77_X_,85,89,1,1
2f77_X_,86,90,1,1
2f77_X_,87,91,1,1
2f77_X_,88,92,1,1
2f77_X_,89,93,1,1