pair,contact1,contact2,flow1,flow2 7z20_h_,1,20,1,1 7z20_h_,1,21,1,1 7z20_h_,2,39,1,1 7z20_h_,3,19,1,1 7z20_h_,4,37,1,1 7z20_h_,5,16,1,1 7z20_h_,6,35,1,1 7z20_h_,7,9,1,1 7z20_h_,8,10,1,1 7z20_h_,10,13,1,1 7z20_h_,13,14,1,1 7z20_h_,22,26,1,1 7z20_h_,24,28,1,1 7z20_h_,25,29,1,1 7z20_h_,25,30,1,1 7z20_h_,30,35,1,1 7z20_h_,31,34,1,1