pair,contact1,contact2,flow1,flow2 1ypc_I_,2,7,1,1 1ypc_I_,3,63,1,1 1ypc_I_,4,62,1,1 1ypc_I_,5,8,1,1 1ypc_I_,5,23,1,1 1ypc_I_,5,61,1,1 1ypc_I_,6,9,1,1 1ypc_I_,8,11,1,1 1ypc_I_,10,57,1,1 1ypc_I_,11,57,1,1 1ypc_I_,12,15,1,1 1ypc_I_,12,16,1,1 1ypc_I_,13,17,1,1 1ypc_I_,14,18,1,1 1ypc_I_,16,20,1,1 1ypc_I_,17,21,1,1 1ypc_I_,19,22,1,1 1ypc_I_,19,23,1,1 1ypc_I_,20,24,1,1 1ypc_I_,24,27,1,1 1ypc_I_,24,44,1,1 1ypc_I_,28,45,1,1 1ypc_I_,28,47,1,1 1ypc_I_,30,47,1,1 1ypc_I_,30,49,1,1 1ypc_I_,32,49,1,1 1ypc_I_,32,51,1,1 1ypc_I_,33,36,1,1 1ypc_I_,34,51,1,1 1ypc_I_,39,41,1,1 1ypc_I_,41,46,1,1 1ypc_I_,41,48,1,1 1ypc_I_,43,45,1,1 1ypc_I_,43,46,1,1 1ypc_I_,43,64,1,1 1ypc_I_,46,64,1,1 1ypc_I_,50,58,1,1 1ypc_I_,52,54,1,1 1ypc_I_,52,55,1,1 1ypc_I_,52,56,1,1