pair,contact1,contact2,flow1,flow2 2k9g_A_,7,9,1,1 2k9g_A_,11,66,1,1 2k9g_A_,12,34,1,1 2k9g_A_,13,64,1,1 2k9g_A_,14,31,1,1 2k9g_A_,14,32,1,1 2k9g_A_,18,28,1,1 2k9g_A_,20,27,1,1 2k9g_A_,21,25,1,1 2k9g_A_,22,25,1,1 2k9g_A_,24,57,1,1 2k9g_A_,26,57,1,1 2k9g_A_,29,32,1,1 2k9g_A_,35,50,1,1 2k9g_A_,37,48,1,1 2k9g_A_,38,48,1,1 2k9g_A_,45,60,1,1 2k9g_A_,47,58,1,1 2k9g_A_,48,55,1,1 2k9g_A_,49,56,1,1 2k9g_A_,51,54,1,1 2k9g_A_,59,62,1,1 2k9g_A_,60,63,1,1