pair,contact1,contact2,flow1,flow2 1usc_A_,5,7,1,1 1usc_A_,13,16,1,1 1usc_A_,14,17,1,1 1usc_A_,19,162,1,1 1usc_A_,20,40,1,1 1usc_A_,22,37,1,1 1usc_A_,23,73,1,1 1usc_A_,24,35,1,1 1usc_A_,25,71,1,1 1usc_A_,26,33,1,1 1usc_A_,27,29,1,1 1usc_A_,27,107,1,1 1usc_A_,28,31,1,1 1usc_A_,31,91,1,1 1usc_A_,31,94,1,1 1usc_A_,31,95,1,1 1usc_A_,33,60,1,1 1usc_A_,34,96,1,1 1usc_A_,35,36,1,1 1usc_A_,35,60,1,1 1usc_A_,37,40,1,1 1usc_A_,39,53,1,1 1usc_A_,41,42,1,1 1usc_A_,41,51,1,1 1usc_A_,43,49,1,1 1usc_A_,44,47,1,1 1usc_A_,44,49,1,1 1usc_A_,48,138,1,1 1usc_A_,50,136,1,1 1usc_A_,52,134,1,1 1usc_A_,54,132,1,1 1usc_A_,55,57,1,1 1usc_A_,55,58,1,1 1usc_A_,57,92,1,1 1usc_A_,58,61,1,1 1usc_A_,59,63,1,1 1usc_A_,60,64,1,1 1usc_A_,61,65,1,1 1usc_A_,61,132,1,1 1usc_A_,62,66,1,1 1usc_A_,63,67,1,1 1usc_A_,64,68,1,1 1usc_A_,68,122,1,1 1usc_A_,69,121,1,1 1usc_A_,70,120,1,1 1usc_A_,71,109,1,1 1usc_A_,72,118,1,1 1usc_A_,73,75,1,1 1usc_A_,74,115,1,1 1usc_A_,74,116,1,1 1usc_A_,75,79,1,1 1usc_A_,76,79,1,1 1usc_A_,77,80,1,1 1usc_A_,77,158,1,1 1usc_A_,79,83,1,1 1usc_A_,79,112,1,1 1usc_A_,80,84,1,1 1usc_A_,81,85,1,1 1usc_A_,82,86,1,1 1usc_A_,83,87,1,1 1usc_A_,84,87,1,1 1usc_A_,84,88,1,1 1usc_A_,84,168,1,1 1usc_A_,85,88,1,1 1usc_A_,86,96,1,1 1usc_A_,89,96,1,1 1usc_A_,90,92,1,1 1usc_A_,90,93,1,1 1usc_A_,90,94,1,1 1usc_A_,95,97,1,1 1usc_A_,95,98,1,1 1usc_A_,96,99,1,1 1usc_A_,99,101,1,1 1usc_A_,100,112,1,1 1usc_A_,102,110,1,1 1usc_A_,104,107,1,1 1usc_A_,104,108,1,1 1usc_A_,105,119,1,1 1usc_A_,106,119,1,1 1usc_A_,115,144,1,1 1usc_A_,117,142,1,1 1usc_A_,119,139,1,1 1usc_A_,119,140,1,1 1usc_A_,119,142,1,1 1usc_A_,121,137,1,1 1usc_A_,123,135,1,1 1usc_A_,124,126,1,1 1usc_A_,124,135,1,1 1usc_A_,126,133,1,1 1usc_A_,127,132,1,1 1usc_A_,128,131,1,1 1usc_A_,130,131,1,1 1usc_A_,144,147,1,1 1usc_A_,146,155,1,1 1usc_A_,147,155,1,1 1usc_A_,149,151,1,1 1usc_A_,149,152,1,1 1usc_A_,149,153,1,1 1usc_A_,155,158,1,1 1usc_A_,157,170,1,1 1usc_A_,161,169,1,1 1usc_A_,162,166,1,1 1usc_A_,163,167,1,1 1usc_A_,164,167,1,1