pair,contact1,contact2,flow1,flow2 3s15_I_,4,13,1,1 3s15_I_,6,10,1,1 3s15_I_,6,11,1,1 3s15_I_,11,30,1,1 3s15_I_,14,27,1,1 3s15_I_,16,25,1,1 3s15_I_,18,20,1,1 3s15_I_,18,21,1,1 3s15_I_,18,23,1,1 3s15_I_,24,37,1,1 3s15_I_,26,35,1,1 3s15_I_,27,29,1,1 3s15_I_,28,33,1,1 3s15_I_,33,35,1,1 3s15_I_,44,46,1,1 3s15_I_,46,49,1,1 3s15_I_,46,50,1,1 3s15_I_,50,53,1,1 3s15_I_,53,88,1,1 3s15_I_,54,119,1,1 3s15_I_,60,63,1,1 3s15_I_,61,64,1,1 3s15_I_,62,69,1,1 3s15_I_,64,66,1,1 3s15_I_,64,67,1,1 3s15_I_,67,69,1,1 3s15_I_,68,84,1,1 3s15_I_,70,72,1,1 3s15_I_,70,82,1,1 3s15_I_,71,80,1,1 3s15_I_,73,78,1,1 3s15_I_,74,79,1,1 3s15_I_,79,81,1,1 3s15_I_,79,104,1,1 3s15_I_,81,102,1,1 3s15_I_,81,103,1,1 3s15_I_,83,101,1,1 3s15_I_,85,99,1,1 3s15_I_,87,89,1,1 3s15_I_,89,91,1,1 3s15_I_,89,94,1,1 3s15_I_,91,93,1,1 3s15_I_,98,110,1,1 3s15_I_,98,111,1,1 3s15_I_,100,109,1,1 3s15_I_,102,107,1,1 3s15_I_,112,115,1,1