pair,contact1,contact2,flow1,flow2 1owf_B_,2,4,1,1 1owf_B_,2,5,1,1 1owf_B_,2,6,1,1 1owf_B_,3,7,1,1 1owf_B_,4,8,1,1 1owf_B_,5,9,1,1 1owf_B_,6,10,1,1 1owf_B_,7,11,1,1 1owf_B_,8,12,1,1 1owf_B_,9,13,1,1 1owf_B_,10,14,1,1 1owf_B_,14,17,1,1 1owf_B_,18,22,1,1 1owf_B_,19,23,1,1 1owf_B_,20,24,1,1 1owf_B_,21,25,1,1 1owf_B_,22,26,1,1 1owf_B_,23,27,1,1 1owf_B_,24,28,1,1 1owf_B_,25,29,1,1 1owf_B_,26,30,1,1 1owf_B_,27,31,1,1 1owf_B_,28,32,1,1 1owf_B_,29,33,1,1 1owf_B_,30,34,1,1 1owf_B_,31,35,1,1 1owf_B_,32,35,1,1 1owf_B_,32,36,1,1 1owf_B_,33,37,1,1 1owf_B_,34,38,1,1 1owf_B_,35,39,1,1 1owf_B_,36,39,1,1 1owf_B_,36,41,1,1 1owf_B_,37,40,1,1 1owf_B_,41,42,1,1 1owf_B_,43,51,1,1 1owf_B_,45,48,1,1 1owf_B_,45,49,1,1 1owf_B_,48,83,1,1 1owf_B_,50,81,1,1 1owf_B_,52,79,1,1 1owf_B_,54,77,1,1 1owf_B_,55,56,1,1 1owf_B_,56,75,1,1 1owf_B_,59,72,1,1 1owf_B_,60,71,1,1 1owf_B_,61,70,1,1 1owf_B_,62,67,1,1 1owf_B_,63,65,1,1 1owf_B_,63,66,1,1 1owf_B_,63,67,1,1 1owf_B_,63,68,1,1 1owf_B_,66,68,1,1 1owf_B_,82,87,1,1 1owf_B_,83,87,1,1 1owf_B_,84,88,1,1 1owf_B_,85,89,1,1 1owf_B_,86,90,1,1 1owf_B_,87,91,1,1