pair,contact1,contact2,flow1,flow2 2n3g_A_,2,5,1,1 2n3g_A_,4,8,1,1 2n3g_A_,5,9,1,1 2n3g_A_,6,10,1,1 2n3g_A_,7,11,1,1 2n3g_A_,8,12,1,1 2n3g_A_,9,13,1,1 2n3g_A_,10,14,1,1 2n3g_A_,11,15,1,1 2n3g_A_,12,16,1,1 2n3g_A_,13,18,1,1 2n3g_A_,14,17,1,1 2n3g_A_,22,41,1,1 2n3g_A_,24,39,1,1 2n3g_A_,25,60,1,1 2n3g_A_,26,37,1,1 2n3g_A_,28,35,1,1 2n3g_A_,30,33,1,1 2n3g_A_,36,53,1,1 2n3g_A_,40,47,1,1 2n3g_A_,42,45,1,1 2n3g_A_,49,51,1,1 2n3g_A_,56,59,1,1 2n3g_A_,56,60,1,1 2n3g_A_,57,61,1,1 2n3g_A_,58,62,1,1 2n3g_A_,59,63,1,1 2n3g_A_,60,64,1,1 2n3g_A_,61,65,1,1 2n3g_A_,62,66,1,1 2n3g_A_,63,67,1,1 2n3g_A_,64,68,1,1 2n3g_A_,65,69,1,1 2n3g_A_,66,70,1,1 2n3g_A_,67,70,1,1 2n3g_A_,67,71,1,1 2n3g_A_,68,72,1,1