pair,contact1,contact2,flow1,flow2 4owf_A_,1,5,1,1 4owf_A_,2,6,1,1 4owf_A_,3,7,1,1 4owf_A_,4,8,1,1 4owf_A_,5,9,1,1 4owf_A_,6,10,1,1 4owf_A_,7,11,1,1 4owf_A_,8,12,1,1 4owf_A_,9,13,1,1 4owf_A_,10,14,1,1 4owf_A_,11,15,1,1 4owf_A_,12,16,1,1 4owf_A_,13,17,1,1 4owf_A_,14,18,1,1 4owf_A_,15,19,1,1 4owf_A_,16,20,1,1 4owf_A_,17,21,1,1 4owf_A_,18,22,1,1 4owf_A_,19,23,1,1 4owf_A_,20,24,1,1 4owf_A_,21,25,1,1 4owf_A_,22,26,1,1 4owf_A_,23,27,1,1 4owf_A_,24,28,1,1 4owf_A_,25,29,1,1 4owf_A_,26,30,1,1 4owf_A_,27,31,1,1 4owf_A_,28,32,1,1 4owf_A_,29,33,1,1 4owf_A_,30,34,1,1 4owf_A_,32,36,1,1 4owf_A_,33,37,1,1 4owf_A_,34,38,1,1 4owf_A_,35,38,1,1 4owf_A_,36,39,1,1 4owf_A_,37,40,1,1 4owf_A_,39,43,1,1 4owf_A_,40,44,1,1 4owf_A_,41,45,1,1 4owf_A_,42,46,1,1 4owf_A_,43,47,1,1 4owf_A_,44,48,1,1 4owf_A_,45,49,1,1 4owf_A_,46,50,1,1 4owf_A_,47,51,1,1 4owf_A_,48,52,1,1 4owf_A_,49,53,1,1 4owf_A_,50,54,1,1 4owf_A_,51,55,1,1 4owf_A_,52,56,1,1 4owf_A_,53,57,1,1 4owf_A_,54,58,1,1 4owf_A_,55,59,1,1 4owf_A_,56,60,1,1 4owf_A_,57,61,1,1 4owf_A_,58,62,1,1 4owf_A_,59,63,1,1 4owf_A_,60,64,1,1 4owf_A_,61,65,1,1 4owf_A_,62,66,1,1 4owf_A_,63,67,1,1 4owf_A_,64,68,1,1 4owf_A_,65,69,1,1 4owf_A_,66,70,1,1 4owf_A_,67,71,1,1 4owf_A_,68,72,1,1 4owf_A_,69,73,1,1 4owf_A_,70,74,1,1 4owf_A_,71,75,1,1 4owf_A_,72,76,1,1 4owf_A_,73,77,1,1 4owf_A_,73,80,1,1 4owf_A_,74,78,1,1 4owf_A_,75,79,1,1 4owf_A_,76,80,1,1 4owf_A_,77,81,1,1 4owf_A_,78,82,1,1 4owf_A_,79,83,1,1 4owf_A_,80,83,1,1