pair,contact1,contact2,flow1,flow2 2og0_A_,3,43,1,1 2og0_A_,4,7,1,1 2og0_A_,4,8,1,1 2og0_A_,5,9,1,1 2og0_A_,6,10,1,1 2og0_A_,8,11,1,1 2og0_A_,8,12,1,1 2og0_A_,8,47,1,1 2og0_A_,9,12,1,1 2og0_A_,9,16,1,1 2og0_A_,17,20,1,1 2og0_A_,17,21,1,1 2og0_A_,18,22,1,1 2og0_A_,19,23,1,1 2og0_A_,20,24,1,1 2og0_A_,21,25,1,1 2og0_A_,22,26,1,1 2og0_A_,23,27,1,1 2og0_A_,24,29,1,1 2og0_A_,25,28,1,1 2og0_A_,29,50,1,1 2og0_A_,31,48,1,1 2og0_A_,35,42,1,1 2og0_A_,36,41,1,1 2og0_A_,37,40,1,1 2og0_A_,44,47,1,1 2og0_A_,49,51,1,1