pair,contact1,contact2,flow1,flow2 5zvm_a_,4,5,1,1 5zvm_a_,7,9,1,1 5zvm_a_,8,12,1,1 5zvm_a_,9,13,1,1 5zvm_a_,10,14,1,1 5zvm_a_,11,15,1,1 5zvm_a_,12,16,1,1 5zvm_a_,13,17,1,1 5zvm_a_,14,18,1,1 5zvm_a_,15,19,1,1 5zvm_a_,16,20,1,1 5zvm_a_,17,21,1,1 5zvm_a_,18,22,1,1 5zvm_a_,19,23,1,1 5zvm_a_,21,25,1,1 5zvm_a_,22,25,1,1