pair,contact1,contact2,flow1,flow2 8s4g_C_,2,3,1,1 8s4g_C_,6,7,1,1 8s4g_C_,16,31,1,1 8s4g_C_,20,22,1,1 8s4g_C_,21,30,1,1 8s4g_C_,23,28,1,1 8s4g_C_,23,56,1,1 8s4g_C_,26,56,1,1 8s4g_C_,29,32,1,1 8s4g_C_,33,38,1,1 8s4g_C_,34,58,1,1 8s4g_C_,37,39,1,1 8s4g_C_,44,58,1,1 8s4g_C_,47,54,1,1 8s4g_C_,47,55,1,1 8s4g_C_,49,52,1,1 8s4g_C_,51,78,1,1 8s4g_C_,53,73,1,1 8s4g_C_,54,55,1,1 8s4g_C_,56,59,1,1 8s4g_C_,56,60,1,1 8s4g_C_,57,61,1,1 8s4g_C_,58,62,1,1 8s4g_C_,59,63,1,1 8s4g_C_,60,64,1,1 8s4g_C_,64,67,1,1 8s4g_C_,71,80,1,1 8s4g_C_,72,73,1,1 8s4g_C_,73,77,1,1 8s4g_C_,73,78,1,1 8s4g_C_,75,77,1,1 8s4g_C_,80,81,1,1