pair,contact1,contact2,flow1,flow2 7m77_A_,1,4,1,1 7m77_A_,1,5,1,1 7m77_A_,3,7,1,1 7m77_A_,4,8,1,1 7m77_A_,5,9,1,1 7m77_A_,6,10,1,1 7m77_A_,7,8,1,1 7m77_A_,7,11,1,1 7m77_A_,8,12,1,1 7m77_A_,9,13,1,1