pair,contact1,contact2,flow1,flow2 1yi2_S_,4,29,1,1 1yi2_S_,6,27,1,1 1yi2_S_,6,61,1,1 1yi2_S_,7,8,1,1 1yi2_S_,7,27,1,1 1yi2_S_,9,25,1,1 1yi2_S_,11,14,1,1 1yi2_S_,11,15,1,1 1yi2_S_,12,16,1,1 1yi2_S_,13,17,1,1 1yi2_S_,14,18,1,1 1yi2_S_,15,19,1,1 1yi2_S_,16,20,1,1 1yi2_S_,17,21,1,1 1yi2_S_,17,23,1,1 1yi2_S_,19,75,1,1 1yi2_S_,21,23,1,1 1yi2_S_,22,68,1,1 1yi2_S_,22,69,1,1 1yi2_S_,22,72,1,1 1yi2_S_,22,74,1,1 1yi2_S_,24,66,1,1 1yi2_S_,26,64,1,1 1yi2_S_,28,62,1,1 1yi2_S_,29,31,1,1 1yi2_S_,29,32,1,1 1yi2_S_,30,62,1,1 1yi2_S_,32,62,1,1 1yi2_S_,33,36,1,1 1yi2_S_,33,37,1,1 1yi2_S_,34,38,1,1 1yi2_S_,35,39,1,1 1yi2_S_,36,40,1,1 1yi2_S_,37,41,1,1 1yi2_S_,38,42,1,1 1yi2_S_,39,43,1,1 1yi2_S_,40,44,1,1 1yi2_S_,41,45,1,1 1yi2_S_,42,49,1,1 1yi2_S_,48,69,1,1 1yi2_S_,48,72,1,1 1yi2_S_,50,67,1,1 1yi2_S_,51,67,1,1 1yi2_S_,53,65,1,1 1yi2_S_,55,63,1,1 1yi2_S_,57,60,1,1 1yi2_S_,57,61,1,1 1yi2_S_,69,72,1,1 1yi2_S_,73,76,1,1 1yi2_S_,73,77,1,1 1yi2_S_,74,78,1,1 1yi2_S_,75,79,1,1 1yi2_S_,76,79,1,1 1yi2_S_,78,81,1,1