pair,contact1,contact2,flow1,flow2 1t3u_A_,2,13,1,1 1t3u_A_,4,11,1,1 1t3u_A_,6,9,1,1 1t3u_A_,7,31,1,1 1t3u_A_,15,16,1,1 1t3u_A_,16,19,1,1 1t3u_A_,19,23,1,1 1t3u_A_,20,24,1,1 1t3u_A_,21,25,1,1 1t3u_A_,22,25,1,1 1t3u_A_,22,26,1,1 1t3u_A_,23,27,1,1 1t3u_A_,24,28,1,1 1t3u_A_,25,29,1,1 1t3u_A_,26,30,1,1 1t3u_A_,27,31,1,1 1t3u_A_,28,32,1,1 1t3u_A_,29,33,1,1 1t3u_A_,29,54,1,1 1t3u_A_,29,58,1,1 1t3u_A_,31,34,1,1 1t3u_A_,32,35,1,1 1t3u_A_,33,36,1,1 1t3u_A_,34,38,1,1 1t3u_A_,35,38,1,1 1t3u_A_,36,39,1,1 1t3u_A_,37,40,1,1 1t3u_A_,39,41,1,1 1t3u_A_,44,48,1,1 1t3u_A_,45,49,1,1 1t3u_A_,46,50,1,1 1t3u_A_,49,52,1,1 1t3u_A_,50,53,1,1 1t3u_A_,51,55,1,1 1t3u_A_,52,56,1,1 1t3u_A_,53,57,1,1 1t3u_A_,54,57,1,1 1t3u_A_,54,58,1,1 1t3u_A_,55,59,1,1 1t3u_A_,56,60,1,1 1t3u_A_,58,62,1,1 1t3u_A_,59,63,1,1 1t3u_A_,60,64,1,1 1t3u_A_,61,65,1,1 1t3u_A_,62,66,1,1 1t3u_A_,63,67,1,1 1t3u_A_,64,68,1,1 1t3u_A_,65,68,1,1 1t3u_A_,65,69,1,1 1t3u_A_,66,70,1,1 1t3u_A_,67,71,1,1 1t3u_A_,68,72,1,1 1t3u_A_,69,73,1,1 1t3u_A_,70,74,1,1 1t3u_A_,71,75,1,1 1t3u_A_,72,76,1,1 1t3u_A_,73,77,1,1 1t3u_A_,74,78,1,1 1t3u_A_,75,79,1,1 1t3u_A_,76,80,1,1 1t3u_A_,77,81,1,1 1t3u_A_,78,82,1,1 1t3u_A_,80,83,1,1 1t3u_A_,80,84,1,1 1t3u_A_,81,85,1,1 1t3u_A_,82,86,1,1 1t3u_A_,83,87,1,1 1t3u_A_,84,88,1,1 1t3u_A_,85,88,1,1 1t3u_A_,85,89,1,1 1t3u_A_,86,89,1,1