pair,contact1,contact2,flow1,flow2 3x1s_B_,1,4,1,1 3x1s_B_,2,5,1,1 3x1s_B_,3,28,1,1 3x1s_B_,5,31,1,1 3x1s_B_,6,10,1,1 3x1s_B_,7,11,1,1 3x1s_B_,8,12,1,1 3x1s_B_,9,13,1,1 3x1s_B_,10,14,1,1 3x1s_B_,11,15,1,1 3x1s_B_,12,16,1,1 3x1s_B_,13,17,1,1 3x1s_B_,14,19,1,1 3x1s_B_,15,18,1,1 3x1s_B_,15,19,1,1 3x1s_B_,23,25,1,1 3x1s_B_,25,29,1,1 3x1s_B_,26,30,1,1 3x1s_B_,27,31,1,1 3x1s_B_,28,32,1,1 3x1s_B_,29,33,1,1 3x1s_B_,30,34,1,1 3x1s_B_,31,35,1,1 3x1s_B_,32,36,1,1 3x1s_B_,33,37,1,1 3x1s_B_,34,38,1,1 3x1s_B_,35,39,1,1 3x1s_B_,36,40,1,1 3x1s_B_,37,41,1,1 3x1s_B_,38,42,1,1 3x1s_B_,39,43,1,1 3x1s_B_,40,44,1,1 3x1s_B_,41,45,1,1 3x1s_B_,42,46,1,1 3x1s_B_,43,47,1,1 3x1s_B_,44,48,1,1 3x1s_B_,44,68,1,1 3x1s_B_,44,69,1,1 3x1s_B_,45,49,1,1 3x1s_B_,46,50,1,1 3x1s_B_,47,51,1,1 3x1s_B_,48,52,1,1 3x1s_B_,49,54,1,1 3x1s_B_,49,61,1,1 3x1s_B_,50,53,1,1 3x1s_B_,54,56,1,1 3x1s_B_,54,61,1,1 3x1s_B_,58,61,1,1 3x1s_B_,58,62,1,1 3x1s_B_,59,63,1,1 3x1s_B_,60,64,1,1 3x1s_B_,61,65,1,1 3x1s_B_,62,66,1,1 3x1s_B_,63,67,1,1 3x1s_B_,64,68,1,1 3x1s_B_,65,69,1,1 3x1s_B_,66,71,1,1 3x1s_B_,67,70,1,1 3x1s_B_,67,78,1,1