pair,contact1,contact2,flow1,flow2 1ucr_A_,2,6,1,1 1ucr_A_,3,7,1,1 1ucr_A_,4,8,1,1 1ucr_A_,5,9,1,1 1ucr_A_,6,10,1,1 1ucr_A_,7,11,1,1 1ucr_A_,7,30,1,1 1ucr_A_,8,12,1,1 1ucr_A_,9,13,1,1 1ucr_A_,11,14,1,1 1ucr_A_,12,14,1,1 1ucr_A_,14,16,1,1 1ucr_A_,14,18,1,1 1ucr_A_,15,18,1,1 1ucr_A_,22,63,1,1 1ucr_A_,23,26,1,1 1ucr_A_,23,27,1,1 1ucr_A_,24,28,1,1 1ucr_A_,24,61,1,1 1ucr_A_,25,28,1,1 1ucr_A_,25,29,1,1 1ucr_A_,27,30,1,1 1ucr_A_,28,31,1,1 1ucr_A_,28,36,1,1 1ucr_A_,31,34,1,1 1ucr_A_,35,38,1,1 1ucr_A_,35,39,1,1 1ucr_A_,36,40,1,1 1ucr_A_,37,41,1,1 1ucr_A_,38,42,1,1 1ucr_A_,39,43,1,1 1ucr_A_,40,44,1,1 1ucr_A_,40,63,1,1 1ucr_A_,41,45,1,1 1ucr_A_,42,46,1,1 1ucr_A_,43,47,1,1 1ucr_A_,44,48,1,1 1ucr_A_,45,49,1,1 1ucr_A_,46,51,1,1 1ucr_A_,46,52,1,1 1ucr_A_,47,50,1,1 1ucr_A_,51,66,1,1 1ucr_A_,53,64,1,1 1ucr_A_,53,67,1,1 1ucr_A_,53,69,1,1 1ucr_A_,55,62,1,1 1ucr_A_,57,60,1,1 1ucr_A_,60,61,1,1 1ucr_A_,65,68,1,1 1ucr_A_,67,71,1,1 1ucr_A_,68,72,1,1 1ucr_A_,69,73,1,1 1ucr_A_,70,74,1,1