pair,contact1,contact2,flow1,flow2 2nln_A_,2,5,1,1 2nln_A_,5,42,1,1 2nln_A_,7,11,1,1 2nln_A_,8,11,1,1 2nln_A_,8,12,1,1 2nln_A_,9,13,1,1 2nln_A_,10,14,1,1 2nln_A_,11,15,1,1 2nln_A_,12,16,1,1 2nln_A_,15,19,1,1 2nln_A_,19,25,1,1 2nln_A_,20,22,1,1 2nln_A_,20,23,1,1 2nln_A_,24,28,1,1 2nln_A_,25,75,1,1 2nln_A_,25,81,1,1 2nln_A_,26,30,1,1 2nln_A_,27,31,1,1 2nln_A_,28,32,1,1 2nln_A_,30,35,1,1 2nln_A_,31,36,1,1 2nln_A_,34,37,1,1 2nln_A_,35,38,1,1 2nln_A_,41,44,1,1 2nln_A_,42,46,1,1 2nln_A_,43,47,1,1 2nln_A_,45,48,1,1 2nln_A_,46,49,1,1 2nln_A_,53,55,1,1 2nln_A_,54,57,1,1 2nln_A_,54,69,1,1 2nln_A_,58,97,1,1 2nln_A_,59,61,1,1 2nln_A_,59,63,1,1 2nln_A_,60,64,1,1 2nln_A_,60,95,1,1 2nln_A_,62,65,1,1 2nln_A_,63,66,1,1 2nln_A_,67,71,1,1 2nln_A_,68,74,1,1 2nln_A_,77,82,1,1 2nln_A_,78,81,1,1 2nln_A_,80,83,1,1 2nln_A_,81,84,1,1 2nln_A_,82,86,1,1 2nln_A_,83,87,1,1 2nln_A_,85,88,1,1 2nln_A_,86,91,1,1 2nln_A_,89,91,1,1 2nln_A_,90,96,1,1 2nln_A_,98,102,1,1 2nln_A_,99,103,1,1 2nln_A_,100,104,1,1 2nln_A_,101,105,1,1 2nln_A_,102,106,1,1 2nln_A_,103,107,1,1 2nln_A_,105,108,1,1