pair,contact1,contact2,flow1,flow2 1nb2_A_,1,76,1,1 1nb2_A_,4,75,1,1 1nb2_A_,5,117,1,1 1nb2_A_,6,73,1,1 1nb2_A_,7,115,1,1 1nb2_A_,8,71,1,1 1nb2_A_,9,13,1,1 1nb2_A_,9,110,1,1 1nb2_A_,9,113,1,1 1nb2_A_,10,14,1,1 1nb2_A_,11,15,1,1 1nb2_A_,12,17,1,1 1nb2_A_,13,16,1,1 1nb2_A_,17,21,1,1 1nb2_A_,18,22,1,1 1nb2_A_,19,23,1,1 1nb2_A_,20,24,1,1 1nb2_A_,22,25,1,1 1nb2_A_,23,27,1,1 1nb2_A_,24,27,1,1 1nb2_A_,25,28,1,1 1nb2_A_,25,29,1,1 1nb2_A_,26,29,1,1 1nb2_A_,31,76,1,1 1nb2_A_,31,139,1,1 1nb2_A_,33,74,1,1 1nb2_A_,34,74,1,1 1nb2_A_,36,72,1,1 1nb2_A_,40,41,1,1 1nb2_A_,41,43,1,1 1nb2_A_,42,46,1,1 1nb2_A_,44,48,1,1 1nb2_A_,45,49,1,1 1nb2_A_,47,50,1,1 1nb2_A_,55,58,1,1 1nb2_A_,56,59,1,1 1nb2_A_,58,61,1,1 1nb2_A_,58,62,1,1 1nb2_A_,62,66,1,1 1nb2_A_,63,66,1,1 1nb2_A_,64,67,1,1 1nb2_A_,77,80,1,1 1nb2_A_,79,83,1,1 1nb2_A_,80,83,1,1 1nb2_A_,80,84,1,1 1nb2_A_,83,87,1,1 1nb2_A_,84,88,1,1 1nb2_A_,85,89,1,1 1nb2_A_,85,118,1,1 1nb2_A_,87,101,1,1 1nb2_A_,89,102,1,1 1nb2_A_,90,102,1,1 1nb2_A_,92,95,1,1 1nb2_A_,94,107,1,1 1nb2_A_,97,100,1,1 1nb2_A_,100,103,1,1 1nb2_A_,100,104,1,1 1nb2_A_,101,105,1,1 1nb2_A_,102,114,1,1 1nb2_A_,115,126,1,1 1nb2_A_,119,122,1,1 1nb2_A_,119,123,1,1 1nb2_A_,120,124,1,1 1nb2_A_,122,126,1,1 1nb2_A_,123,127,1,1 1nb2_A_,126,130,1,1 1nb2_A_,127,131,1,1 1nb2_A_,141,143,1,1 1nb2_A_,141,144,1,1 1nb2_A_,144,147,1,1 1nb2_A_,144,148,1,1