pair,contact1,contact2,flow1,flow2 4nl2_A_,3,6,1,1 4nl2_A_,6,10,1,1 4nl2_A_,6,42,1,1 4nl2_A_,7,11,1,1 4nl2_A_,8,12,1,1 4nl2_A_,9,13,1,1 4nl2_A_,10,14,1,1 4nl2_A_,11,15,1,1 4nl2_A_,11,71,1,1 4nl2_A_,12,16,1,1 4nl2_A_,13,17,1,1 4nl2_A_,14,17,1,1 4nl2_A_,14,18,1,1 4nl2_A_,15,19,1,1 4nl2_A_,16,21,1,1 4nl2_A_,17,20,1,1 4nl2_A_,20,36,1,1 4nl2_A_,20,37,1,1 4nl2_A_,22,67,1,1 4nl2_A_,23,35,1,1 4nl2_A_,24,34,1,1 4nl2_A_,24,65,1,1 4nl2_A_,25,33,1,1 4nl2_A_,26,62,1,1 4nl2_A_,26,63,1,1 4nl2_A_,27,30,1,1 4nl2_A_,27,31,1,1 4nl2_A_,28,60,1,1 4nl2_A_,29,31,1,1 4nl2_A_,36,48,1,1 4nl2_A_,38,46,1,1 4nl2_A_,39,46,1,1 4nl2_A_,41,43,1,1 4nl2_A_,41,44,1,1 4nl2_A_,41,58,1,1 4nl2_A_,43,58,1,1 4nl2_A_,45,56,1,1 4nl2_A_,47,54,1,1 4nl2_A_,48,51,1,1 4nl2_A_,49,52,1,1 4nl2_A_,52,54,1,1 4nl2_A_,57,60,1,1 4nl2_A_,58,61,1,1