pair,contact1,contact2,flow1,flow2 2qb1_A_,2,77,1,1 2qb1_A_,4,9,1,1 2qb1_A_,5,8,1,1 2qb1_A_,6,9,1,1 2qb1_A_,11,14,1,1 2qb1_A_,12,15,1,1 2qb1_A_,15,45,1,1 2qb1_A_,16,18,1,1 2qb1_A_,16,19,1,1 2qb1_A_,16,20,1,1 2qb1_A_,17,21,1,1 2qb1_A_,17,42,1,1 2qb1_A_,18,22,1,1 2qb1_A_,19,23,1,1 2qb1_A_,20,24,1,1 2qb1_A_,21,25,1,1 2qb1_A_,22,26,1,1 2qb1_A_,23,27,1,1 2qb1_A_,24,28,1,1 2qb1_A_,25,29,1,1 2qb1_A_,26,30,1,1 2qb1_A_,27,31,1,1 2qb1_A_,28,33,1,1 2qb1_A_,37,40,1,1 2qb1_A_,41,43,1,1 2qb1_A_,44,47,1,1 2qb1_A_,44,48,1,1 2qb1_A_,45,49,1,1 2qb1_A_,47,50,1,1 2qb1_A_,52,55,1,1 2qb1_A_,52,56,1,1 2qb1_A_,53,57,1,1 2qb1_A_,53,69,1,1 2qb1_A_,55,58,1,1 2qb1_A_,55,59,1,1 2qb1_A_,56,60,1,1 2qb1_A_,57,65,1,1 2qb1_A_,63,66,1,1 2qb1_A_,63,67,1,1 2qb1_A_,64,68,1,1 2qb1_A_,65,69,1,1 2qb1_A_,66,70,1,1 2qb1_A_,67,71,1,1 2qb1_A_,68,72,1,1 2qb1_A_,69,73,1,1 2qb1_A_,70,74,1,1 2qb1_A_,71,75,1,1 2qb1_A_,72,76,1,1 2qb1_A_,74,77,1,1