pair,contact1,contact2,flow1,flow2 6zxf_b_,10,12,1,1 6zxf_b_,10,14,1,1 6zxf_b_,11,15,1,1 6zxf_b_,12,16,1,1 6zxf_b_,13,16,1,1 6zxf_b_,18,21,1,1 6zxf_b_,18,22,1,1 6zxf_b_,25,26,1,1 6zxf_b_,29,48,1,1 6zxf_b_,30,47,1,1 6zxf_b_,30,64,1,1 6zxf_b_,31,76,1,1 6zxf_b_,32,45,1,1 6zxf_b_,33,44,1,1 6zxf_b_,33,76,1,1 6zxf_b_,34,43,1,1 6zxf_b_,36,39,1,1 6zxf_b_,46,49,1,1 6zxf_b_,47,65,1,1 6zxf_b_,51,52,1,1 6zxf_b_,51,58,1,1 6zxf_b_,53,57,1,1 6zxf_b_,57,68,1,1 6zxf_b_,59,66,1,1 6zxf_b_,61,62,1,1 6zxf_b_,68,71,1,1 6zxf_b_,69,71,1,1 6zxf_b_,72,73,1,1 6zxf_b_,73,74,1,1