pair,contact1,contact2,flow1,flow2 4q2u_B_,1,2,1,1 4q2u_B_,1,33,1,1 4q2u_B_,2,35,1,1 4q2u_B_,2,71,1,1 4q2u_B_,3,73,1,1 4q2u_B_,3,75,1,1 4q2u_B_,5,75,1,1 4q2u_B_,5,76,1,1 4q2u_B_,5,77,1,1 4q2u_B_,7,10,1,1 4q2u_B_,7,11,1,1 4q2u_B_,7,77,1,1 4q2u_B_,7,78,1,1 4q2u_B_,8,12,1,1 4q2u_B_,9,13,1,1 4q2u_B_,10,14,1,1 4q2u_B_,11,15,1,1 4q2u_B_,12,16,1,1 4q2u_B_,13,17,1,1 4q2u_B_,13,79,1,1 4q2u_B_,13,80,1,1 4q2u_B_,14,18,1,1 4q2u_B_,15,19,1,1 4q2u_B_,16,20,1,1 4q2u_B_,17,22,1,1 4q2u_B_,18,21,1,1 4q2u_B_,22,61,1,1 4q2u_B_,23,25,1,1 4q2u_B_,24,28,1,1 4q2u_B_,25,29,1,1 4q2u_B_,25,61,1,1 4q2u_B_,27,30,1,1 4q2u_B_,28,31,1,1 4q2u_B_,29,32,1,1 4q2u_B_,30,34,1,1 4q2u_B_,31,36,1,1 4q2u_B_,32,35,1,1 4q2u_B_,35,37,1,1 4q2u_B_,40,43,1,1 4q2u_B_,41,44,1,1 4q2u_B_,43,59,1,1 4q2u_B_,44,46,1,1 4q2u_B_,45,56,1,1 4q2u_B_,45,68,1,1 4q2u_B_,46,57,1,1 4q2u_B_,48,55,1,1 4q2u_B_,52,55,1,1 4q2u_B_,54,70,1,1 4q2u_B_,55,76,1,1 4q2u_B_,55,78,1,1 4q2u_B_,56,68,1,1 4q2u_B_,58,66,1,1 4q2u_B_,60,64,1,1 4q2u_B_,61,64,1,1 4q2u_B_,63,83,1,1 4q2u_B_,64,80,1,1 4q2u_B_,65,80,1,1 4q2u_B_,65,81,1,1 4q2u_B_,67,78,1,1 4q2u_B_,67,79,1,1 4q2u_B_,69,76,1,1 4q2u_B_,71,73,1,1 4q2u_B_,71,74,1,1 4q2u_B_,76,78,1,1 4q2u_B_,79,85,1,1 4q2u_B_,82,85,1,1 4q2u_B_,82,86,1,1 4q2u_B_,83,87,1,1 4q2u_B_,84,88,1,1