pair,contact1,contact2,flow1,flow2 4whc_A_,1,23,1,1 4whc_A_,3,22,1,1 4whc_A_,5,20,1,1 4whc_A_,5,22,1,1 4whc_A_,6,103,1,1 4whc_A_,7,18,1,1 4whc_A_,9,105,1,1 4whc_A_,11,105,1,1 4whc_A_,11,107,1,1 4whc_A_,12,15,1,1 4whc_A_,13,80,1,1 4whc_A_,13,107,1,1 4whc_A_,14,78,1,1 4whc_A_,15,78,1,1 4whc_A_,17,75,1,1 4whc_A_,19,73,1,1 4whc_A_,25,28,1,1 4whc_A_,27,93,1,1 4whc_A_,28,31,1,1 4whc_A_,29,50,1,1 4whc_A_,29,91,1,1 4whc_A_,30,91,1,1 4whc_A_,31,48,1,1 4whc_A_,31,69,1,1 4whc_A_,32,89,1,1 4whc_A_,33,45,1,1 4whc_A_,33,46,1,1 4whc_A_,33,71,1,1 4whc_A_,34,87,1,1 4whc_A_,35,43,1,1 4whc_A_,35,81,1,1 4whc_A_,35,86,1,1 4whc_A_,36,85,1,1 4whc_A_,36,87,1,1 4whc_A_,40,42,1,1 4whc_A_,40,43,1,1 4whc_A_,41,44,1,1 4whc_A_,44,60,1,1 4whc_A_,45,58,1,1 4whc_A_,47,56,1,1 4whc_A_,49,54,1,1 4whc_A_,50,53,1,1 4whc_A_,54,55,1,1 4whc_A_,62,64,1,1 4whc_A_,62,65,1,1 4whc_A_,64,65,1,1 4whc_A_,64,76,1,1 4whc_A_,64,77,1,1 4whc_A_,64,82,1,1 4whc_A_,66,74,1,1 4whc_A_,68,71,1,1 4whc_A_,68,72,1,1 4whc_A_,70,72,1,1 4whc_A_,79,82,1,1 4whc_A_,82,86,1,1 4whc_A_,83,106,1,1 4whc_A_,84,104,1,1 4whc_A_,86,102,1,1 4whc_A_,87,101,1,1 4whc_A_,88,100,1,1 4whc_A_,89,99,1,1 4whc_A_,90,98,1,1 4whc_A_,92,95,1,1 4whc_A_,92,97,1,1 4whc_A_,92,98,1,1 4whc_A_,94,96,1,1