pair,contact1,contact2,flow1,flow2 2y0t_A_,3,7,1,1 2y0t_A_,4,8,1,1 2y0t_A_,5,9,1,1 2y0t_A_,6,10,1,1 2y0t_A_,7,10,1,1 2y0t_A_,7,11,1,1 2y0t_A_,8,12,1,1 2y0t_A_,9,13,1,1 2y0t_A_,10,14,1,1 2y0t_A_,11,15,1,1 2y0t_A_,12,16,1,1 2y0t_A_,13,17,1,1 2y0t_A_,14,18,1,1 2y0t_A_,15,18,1,1 2y0t_A_,15,20,1,1 2y0t_A_,16,19,1,1 2y0t_A_,20,22,1,1 2y0t_A_,21,45,1,1 2y0t_A_,22,49,1,1 2y0t_A_,25,28,1,1 2y0t_A_,28,30,1,1 2y0t_A_,28,39,1,1 2y0t_A_,30,32,1,1 2y0t_A_,32,35,1,1 2y0t_A_,32,36,1,1 2y0t_A_,33,37,1,1 2y0t_A_,34,38,1,1 2y0t_A_,35,39,1,1 2y0t_A_,36,40,1,1 2y0t_A_,37,41,1,1 2y0t_A_,38,42,1,1 2y0t_A_,39,43,1,1 2y0t_A_,40,44,1,1 2y0t_A_,41,45,1,1 2y0t_A_,42,45,1,1 2y0t_A_,42,46,1,1 2y0t_A_,43,47,1,1 2y0t_A_,44,48,1,1 2y0t_A_,45,49,1,1 2y0t_A_,46,50,1,1 2y0t_A_,47,51,1,1 2y0t_A_,49,52,1,1