pair,contact1,contact2,flow1,flow2 4gp5_C_,1,3,1,1 4gp5_C_,2,6,1,1 4gp5_C_,3,7,1,1 4gp5_C_,4,8,1,1 4gp5_C_,5,9,1,1 4gp5_C_,6,10,1,1 4gp5_C_,7,11,1,1 4gp5_C_,8,12,1,1 4gp5_C_,9,13,1,1 4gp5_C_,10,14,1,1 4gp5_C_,11,15,1,1 4gp5_C_,12,16,1,1 4gp5_C_,13,17,1,1 4gp5_C_,14,18,1,1 4gp5_C_,15,19,1,1 4gp5_C_,16,20,1,1 4gp5_C_,17,21,1,1 4gp5_C_,18,22,1,1 4gp5_C_,19,23,1,1 4gp5_C_,20,24,1,1 4gp5_C_,21,25,1,1 4gp5_C_,22,25,1,1 4gp5_C_,22,26,1,1 4gp5_C_,23,27,1,1 4gp5_C_,24,28,1,1 4gp5_C_,25,29,1,1 4gp5_C_,26,30,1,1 4gp5_C_,28,31,1,1