pair,contact1,contact2,flow1,flow2 2d1x_A_,1,4,1,1 2d1x_A_,2,31,1,1 2d1x_A_,3,31,1,1 2d1x_A_,5,32,1,1 2d1x_A_,6,59,1,1 2d1x_A_,7,29,1,1 2d1x_A_,8,57,1,1 2d1x_A_,9,26,1,1 2d1x_A_,9,27,1,1 2d1x_A_,10,55,1,1 2d1x_A_,13,20,1,1 2d1x_A_,13,23,1,1 2d1x_A_,15,22,1,1 2d1x_A_,16,20,1,1 2d1x_A_,17,20,1,1 2d1x_A_,19,50,1,1 2d1x_A_,21,50,1,1 2d1x_A_,22,44,1,1 2d1x_A_,24,27,1,1 2d1x_A_,27,45,1,1 2d1x_A_,28,44,1,1 2d1x_A_,30,31,1,1 2d1x_A_,30,43,1,1 2d1x_A_,33,35,1,1 2d1x_A_,33,41,1,1 2d1x_A_,36,38,1,1 2d1x_A_,36,39,1,1 2d1x_A_,38,53,1,1 2d1x_A_,40,51,1,1 2d1x_A_,42,49,1,1 2d1x_A_,44,47,1,1 2d1x_A_,45,47,1,1 2d1x_A_,52,55,1,1 2d1x_A_,53,56,1,1 2d1x_A_,57,59,1,1