pair,contact1,contact2,flow1,flow2 7nbu_P_,1,24,1,1 7nbu_P_,2,66,1,1 7nbu_P_,3,22,1,1 7nbu_P_,3,66,1,1 7nbu_P_,4,66,1,1 7nbu_P_,4,68,1,1 7nbu_P_,5,20,1,1 7nbu_P_,5,26,1,1 7nbu_P_,7,18,1,1 7nbu_P_,8,29,1,1 7nbu_P_,9,16,1,1 7nbu_P_,11,14,1,1 7nbu_P_,17,39,1,1 7nbu_P_,18,35,1,1 7nbu_P_,19,36,1,1 7nbu_P_,19,37,1,1 7nbu_P_,21,33,1,1 7nbu_P_,21,34,1,1 7nbu_P_,23,25,1,1 7nbu_P_,23,26,1,1 7nbu_P_,26,31,1,1 7nbu_P_,27,30,1,1 7nbu_P_,28,29,1,1 7nbu_P_,34,56,1,1 7nbu_P_,38,51,1,1 7nbu_P_,40,42,1,1 7nbu_P_,40,49,1,1 7nbu_P_,44,47,1,1 7nbu_P_,49,50,1,1 7nbu_P_,53,57,1,1 7nbu_P_,54,58,1,1 7nbu_P_,55,59,1,1 7nbu_P_,56,60,1,1 7nbu_P_,57,61,1,1 7nbu_P_,58,62,1,1 7nbu_P_,59,63,1,1 7nbu_P_,60,65,1,1 7nbu_P_,61,64,1,1 7nbu_P_,68,72,1,1 7nbu_P_,69,73,1,1 7nbu_P_,70,74,1,1 7nbu_P_,71,75,1,1 7nbu_P_,72,76,1,1 7nbu_P_,73,77,1,1 7nbu_P_,74,78,1,1 7nbu_P_,75,79,1,1 7nbu_P_,76,80,1,1 7nbu_P_,77,80,1,1 7nbu_P_,77,81,1,1