pair,contact1,contact2,flow1,flow2 6spg_Z_,2,35,1,1 6spg_Z_,3,36,1,1 6spg_Z_,4,57,1,1 6spg_Z_,5,33,1,1 6spg_Z_,6,33,1,1 6spg_Z_,6,54,1,1 6spg_Z_,7,31,1,1 6spg_Z_,8,52,1,1 6spg_Z_,10,12,1,1 6spg_Z_,17,20,1,1 6spg_Z_,17,21,1,1 6spg_Z_,18,22,1,1 6spg_Z_,20,24,1,1 6spg_Z_,22,25,1,1 6spg_Z_,22,26,1,1 6spg_Z_,22,27,1,1 6spg_Z_,37,39,1,1 6spg_Z_,37,42,1,1 6spg_Z_,38,43,1,1 6spg_Z_,39,42,1,1 6spg_Z_,39,43,1,1 6spg_Z_,45,49,1,1 6spg_Z_,49,52,1,1