pair,contact1,contact2,flow1,flow2 6spg_H_,1,18,1,1 6spg_H_,1,38,1,1 6spg_H_,3,36,1,1 6spg_H_,5,34,1,1 6spg_H_,6,8,1,1 6spg_H_,21,25,1,1 6spg_H_,22,26,1,1 6spg_H_,23,27,1,1 6spg_H_,25,30,1,1 6spg_H_,29,34,1,1 6spg_H_,30,33,1,1 6spg_H_,42,45,1,1 6spg_H_,49,52,1,1 6spg_H_,50,53,1,1 6spg_H_,51,55,1,1 6spg_H_,53,57,1,1 6spg_H_,59,63,1,1 6spg_H_,64,67,1,1 6spg_H_,64,68,1,1