pair,contact1,contact2,flow1,flow2 4pwu_A_,4,35,1,1 4pwu_A_,5,48,1,1 4pwu_A_,6,74,1,1 4pwu_A_,7,46,1,1 4pwu_A_,8,72,1,1 4pwu_A_,9,44,1,1 4pwu_A_,10,42,1,1 4pwu_A_,10,70,1,1 4pwu_A_,12,68,1,1 4pwu_A_,17,69,1,1 4pwu_A_,19,21,1,1 4pwu_A_,19,22,1,1 4pwu_A_,19,23,1,1 4pwu_A_,20,24,1,1 4pwu_A_,21,25,1,1 4pwu_A_,22,26,1,1 4pwu_A_,23,27,1,1 4pwu_A_,24,28,1,1 4pwu_A_,25,29,1,1 4pwu_A_,26,30,1,1 4pwu_A_,27,30,1,1 4pwu_A_,27,32,1,1 4pwu_A_,28,31,1,1 4pwu_A_,35,47,1,1 4pwu_A_,36,47,1,1 4pwu_A_,38,45,1,1 4pwu_A_,40,43,1,1 4pwu_A_,50,53,1,1 4pwu_A_,50,54,1,1 4pwu_A_,51,55,1,1 4pwu_A_,52,56,1,1 4pwu_A_,53,57,1,1 4pwu_A_,54,58,1,1 4pwu_A_,55,59,1,1 4pwu_A_,56,60,1,1 4pwu_A_,57,61,1,1 4pwu_A_,58,62,1,1 4pwu_A_,60,64,1,1 4pwu_A_,61,65,1,1