pair,contact1,contact2,flow1,flow2 1dxs_A_,1,4,1,1 1dxs_A_,1,5,1,1 1dxs_A_,2,6,1,1 1dxs_A_,3,7,1,1 1dxs_A_,4,7,1,1 1dxs_A_,4,8,1,1 1dxs_A_,6,9,1,1 1dxs_A_,6,11,1,1 1dxs_A_,7,10,1,1 1dxs_A_,11,14,1,1 1dxs_A_,12,15,1,1 1dxs_A_,13,14,1,1 1dxs_A_,13,46,1,1 1dxs_A_,15,18,1,1 1dxs_A_,15,19,1,1 1dxs_A_,16,19,1,1 1dxs_A_,16,20,1,1 1dxs_A_,18,21,1,1 1dxs_A_,18,23,1,1 1dxs_A_,19,22,1,1 1dxs_A_,25,27,1,1 1dxs_A_,26,30,1,1 1dxs_A_,27,30,1,1 1dxs_A_,28,31,1,1 1dxs_A_,33,36,1,1 1dxs_A_,33,37,1,1 1dxs_A_,34,38,1,1 1dxs_A_,35,39,1,1 1dxs_A_,36,40,1,1 1dxs_A_,37,42,1,1 1dxs_A_,38,41,1,1 1dxs_A_,42,47,1,1 1dxs_A_,43,46,1,1 1dxs_A_,46,50,1,1 1dxs_A_,47,51,1,1 1dxs_A_,48,52,1,1 1dxs_A_,49,53,1,1 1dxs_A_,50,54,1,1 1dxs_A_,51,55,1,1 1dxs_A_,52,55,1,1 1dxs_A_,52,56,1,1 1dxs_A_,54,57,1,1