pair,contact1,contact2,flow1,flow2 3i55_Z_,2,5,1,1 3i55_Z_,2,13,1,1 3i55_Z_,3,6,1,1 3i55_Z_,4,21,1,1 3i55_Z_,5,8,1,1 3i55_Z_,8,9,1,1 3i55_Z_,8,10,1,1 3i55_Z_,11,14,1,1 3i55_Z_,12,16,1,1 3i55_Z_,15,19,1,1 3i55_Z_,19,22,1,1 3i55_Z_,21,25,1,1 3i55_Z_,23,61,1,1 3i55_Z_,30,32,1,1 3i55_Z_,30,33,1,1 3i55_Z_,30,35,1,1 3i55_Z_,30,53,1,1 3i55_Z_,33,35,1,1 3i55_Z_,36,38,1,1 3i55_Z_,37,48,1,1 3i55_Z_,37,49,1,1 3i55_Z_,39,41,1,1 3i55_Z_,39,47,1,1 3i55_Z_,40,59,1,1 3i55_Z_,41,45,1,1 3i55_Z_,44,57,1,1 3i55_Z_,46,55,1,1 3i55_Z_,46,58,1,1 3i55_Z_,47,52,1,1 3i55_Z_,48,53,1,1 3i55_Z_,63,71,1,1 3i55_Z_,64,67,1,1 3i55_Z_,64,68,1,1 3i55_Z_,65,69,1,1 3i55_Z_,66,70,1,1 3i55_Z_,68,71,1,1