pair,contact1,contact2,flow1,flow2 6zn5_g_,5,7,1,1 6zn5_g_,10,13,1,1 6zn5_g_,11,13,1,1 6zn5_g_,17,18,1,1 6zn5_g_,17,19,1,1 6zn5_g_,23,26,1,1 6zn5_g_,24,28,1,1 6zn5_g_,25,29,1,1 6zn5_g_,30,38,1,1 6zn5_g_,32,34,1,1 6zn5_g_,32,35,1,1 6zn5_g_,36,38,1,1 6zn5_g_,42,55,1,1 6zn5_g_,46,48,1,1 6zn5_g_,48,66,1,1 6zn5_g_,56,63,1,1 6zn5_g_,58,61,1,1 6zn5_g_,60,61,1,1 6zn5_g_,62,71,1,1 6zn5_g_,64,69,1,1 6zn5_g_,67,68,1,1