pair,contact1,contact2,flow1,flow2 6pse_C_,1,5,1,1 6pse_C_,2,6,1,1 6pse_C_,3,7,1,1 6pse_C_,4,8,1,1 6pse_C_,5,9,1,1 6pse_C_,6,10,1,1 6pse_C_,7,10,1,1 6pse_C_,8,11,1,1 6pse_C_,9,12,1,1