pair,contact1,contact2,flow1,flow2 1t4l_B_,3,7,1,1 1t4l_B_,5,9,1,1 1t4l_B_,6,10,1,1 1t4l_B_,7,11,1,1 1t4l_B_,8,12,1,1 1t4l_B_,10,14,1,1 1t4l_B_,11,15,1,1 1t4l_B_,11,16,1,1 1t4l_B_,23,42,1,1 1t4l_B_,25,40,1,1 1t4l_B_,27,38,1,1 1t4l_B_,31,33,1,1 1t4l_B_,31,34,1,1 1t4l_B_,37,38,1,1 1t4l_B_,37,54,1,1 1t4l_B_,39,52,1,1 1t4l_B_,41,50,1,1 1t4l_B_,43,46,1,1 1t4l_B_,43,47,1,1 1t4l_B_,51,67,1,1 1t4l_B_,56,58,1,1 1t4l_B_,57,61,1,1 1t4l_B_,58,62,1,1 1t4l_B_,59,63,1,1 1t4l_B_,60,64,1,1 1t4l_B_,61,65,1,1 1t4l_B_,62,66,1,1 1t4l_B_,63,67,1,1 1t4l_B_,64,68,1,1 1t4l_B_,65,69,1,1 1t4l_B_,67,70,1,1 1t4l_B_,70,71,1,1 1t4l_B_,71,75,1,1 1t4l_B_,72,76,1,1 1t4l_B_,73,77,1,1 1t4l_B_,74,78,1,1 1t4l_B_,75,78,1,1 1t4l_B_,75,79,1,1 1t4l_B_,76,80,1,1 1t4l_B_,77,81,1,1 1t4l_B_,78,82,1,1 1t4l_B_,79,83,1,1 1t4l_B_,80,84,1,1 1t4l_B_,85,87,1,1