pair,contact1,contact2,flow1,flow2 1sgy_I_,2,4,1,1 1sgy_I_,2,33,1,1 1sgy_I_,6,8,1,1 1sgy_I_,6,29,1,1 1sgy_I_,8,34,1,1 1sgy_I_,10,30,1,1 1sgy_I_,12,14,1,1 1sgy_I_,12,28,1,1 1sgy_I_,14,28,1,1 1sgy_I_,16,27,1,1 1sgy_I_,17,49,1,1 1sgy_I_,18,26,1,1 1sgy_I_,19,20,1,1 1sgy_I_,19,46,1,1 1sgy_I_,19,47,1,1 1sgy_I_,20,23,1,1 1sgy_I_,20,24,1,1 1sgy_I_,21,44,1,1 1sgy_I_,22,24,1,1 1sgy_I_,22,26,1,1 1sgy_I_,25,51,1,1 1sgy_I_,28,31,1,1 1sgy_I_,28,32,1,1 1sgy_I_,29,33,1,1 1sgy_I_,30,34,1,1 1sgy_I_,31,35,1,1 1sgy_I_,32,36,1,1 1sgy_I_,33,37,1,1 1sgy_I_,34,38,1,1 1sgy_I_,35,39,1,1 1sgy_I_,36,39,1,1 1sgy_I_,36,41,1,1 1sgy_I_,37,40,1,1 1sgy_I_,39,42,1,1 1sgy_I_,39,43,1,1 1sgy_I_,47,48,1,1