pair,contact1,contact2,flow1,flow2 1r21_A_,4,100,1,1 1r21_A_,5,55,1,1 1r21_A_,6,98,1,1 1r21_A_,7,20,1,1 1r21_A_,8,96,1,1 1r21_A_,9,18,1,1 1r21_A_,10,94,1,1 1r21_A_,12,15,1,1 1r21_A_,25,53,1,1 1r21_A_,27,51,1,1 1r21_A_,28,37,1,1 1r21_A_,29,49,1,1 1r21_A_,30,37,1,1 1r21_A_,30,39,1,1 1r21_A_,32,35,1,1 1r21_A_,34,47,1,1 1r21_A_,41,44,1,1 1r21_A_,48,63,1,1 1r21_A_,48,64,1,1 1r21_A_,52,59,1,1 1r21_A_,54,57,1,1 1r21_A_,56,99,1,1 1r21_A_,58,82,1,1 1r21_A_,60,80,1,1 1r21_A_,62,69,1,1 1r21_A_,64,67,1,1 1r21_A_,69,76,1,1 1r21_A_,70,89,1,1 1r21_A_,71,74,1,1 1r21_A_,72,86,1,1 1r21_A_,72,87,1,1 1r21_A_,74,75,1,1 1r21_A_,83,86,1,1 1r21_A_,85,97,1,1 1r21_A_,86,97,1,1 1r21_A_,88,95,1,1 1r21_A_,89,94,1,1 1r21_A_,90,93,1,1