pair,contact1,contact2,flow1,flow2 2bkd_N_,4,20,1,1 2bkd_N_,6,18,1,1 2bkd_N_,7,46,1,1 2bkd_N_,8,16,1,1 2bkd_N_,9,44,1,1 2bkd_N_,10,12,1,1 2bkd_N_,10,16,1,1 2bkd_N_,19,30,1,1 2bkd_N_,21,28,1,1 2bkd_N_,22,28,1,1 2bkd_N_,25,26,1,1 2bkd_N_,26,40,1,1 2bkd_N_,27,41,1,1 2bkd_N_,28,40,1,1 2bkd_N_,29,39,1,1 2bkd_N_,31,33,1,1 2bkd_N_,32,34,1,1 2bkd_N_,32,75,1,1 2bkd_N_,42,44,1,1 2bkd_N_,43,45,1,1 2bkd_N_,47,116,1,1 2bkd_N_,47,118,1,1 2bkd_N_,52,54,1,1 2bkd_N_,53,114,1,1 2bkd_N_,58,61,1,1 2bkd_N_,60,83,1,1 2bkd_N_,61,62,1,1 2bkd_N_,61,82,1,1 2bkd_N_,62,81,1,1 2bkd_N_,63,80,1,1 2bkd_N_,64,111,1,1 2bkd_N_,64,114,1,1 2bkd_N_,65,78,1,1 2bkd_N_,67,76,1,1 2bkd_N_,67,77,1,1 2bkd_N_,68,71,1,1 2bkd_N_,69,70,1,1 2bkd_N_,69,73,1,1 2bkd_N_,70,72,1,1 2bkd_N_,70,73,1,1 2bkd_N_,74,76,1,1 2bkd_N_,81,93,1,1 2bkd_N_,83,91,1,1 2bkd_N_,83,93,1,1 2bkd_N_,84,91,1,1 2bkd_N_,86,89,1,1 2bkd_N_,88,107,1,1 2bkd_N_,90,105,1,1 2bkd_N_,92,103,1,1 2bkd_N_,94,103,1,1 2bkd_N_,96,97,1,1 2bkd_N_,106,109,1,1 2bkd_N_,107,110,1,1 2bkd_N_,108,111,1,1 2bkd_N_,110,111,1,1 2bkd_N_,119,120,1,1 2bkd_N_,120,123,1,1 2bkd_N_,121,124,1,1 2bkd_N_,129,130,1,1