pair,contact1,contact2,flow1,flow2 2bps_A_,1,24,1,1 2bps_A_,3,25,1,1 2bps_A_,5,23,1,1 2bps_A_,6,22,1,1 2bps_A_,6,75,1,1 2bps_A_,7,21,1,1 2bps_A_,8,20,1,1 2bps_A_,8,76,1,1 2bps_A_,8,78,1,1 2bps_A_,9,19,1,1 2bps_A_,10,77,1,1 2bps_A_,10,78,1,1 2bps_A_,10,80,1,1 2bps_A_,11,14,1,1 2bps_A_,11,16,1,1 2bps_A_,11,17,1,1 2bps_A_,14,47,1,1 2bps_A_,14,81,1,1 2bps_A_,15,17,1,1 2bps_A_,24,27,1,1 2bps_A_,25,68,1,1 2bps_A_,27,67,1,1 2bps_A_,28,31,1,1 2bps_A_,29,32,1,1 2bps_A_,29,65,1,1 2bps_A_,30,33,1,1 2bps_A_,30,34,1,1 2bps_A_,30,63,1,1 2bps_A_,30,64,1,1 2bps_A_,31,35,1,1 2bps_A_,32,36,1,1 2bps_A_,33,37,1,1 2bps_A_,34,38,1,1 2bps_A_,35,39,1,1 2bps_A_,36,40,1,1 2bps_A_,41,43,1,1 2bps_A_,42,44,1,1 2bps_A_,47,50,1,1 2bps_A_,51,81,1,1 2bps_A_,52,61,1,1 2bps_A_,53,58,1,1 2bps_A_,53,79,1,1 2bps_A_,54,57,1,1 2bps_A_,54,59,1,1 2bps_A_,55,58,1,1 2bps_A_,55,77,1,1 2bps_A_,57,76,1,1 2bps_A_,62,65,1,1 2bps_A_,66,70,1,1 2bps_A_,67,70,1,1 2bps_A_,67,72,1,1 2bps_A_,68,69,1,1 2bps_A_,68,71,1,1 2bps_A_,71,73,1,1 2bps_A_,73,76,1,1