pair,contact1,contact2,flow1,flow2 1f9s_A_,1,2,1,1 1f9s_A_,7,36,1,1 1f9s_A_,8,36,1,1 1f9s_A_,12,48,1,1 1f9s_A_,13,15,1,1 1f9s_A_,14,16,1,1 1f9s_A_,16,19,1,1 1f9s_A_,19,42,1,1 1f9s_A_,21,40,1,1 1f9s_A_,22,40,1,1 1f9s_A_,24,38,1,1 1f9s_A_,26,36,1,1 1f9s_A_,29,32,1,1 1f9s_A_,32,34,1,1 1f9s_A_,34,35,1,1 1f9s_A_,37,49,1,1 1f9s_A_,39,47,1,1 1f9s_A_,41,44,1,1 1f9s_A_,41,45,1,1 1f9s_A_,43,45,1,1 1f9s_A_,50,52,1,1 1f9s_A_,54,57,1,1 1f9s_A_,54,58,1,1 1f9s_A_,55,59,1,1 1f9s_A_,56,57,1,1 1f9s_A_,56,60,1,1 1f9s_A_,57,61,1,1 1f9s_A_,58,62,1,1 1f9s_A_,59,63,1,1 1f9s_A_,60,64,1,1 1f9s_A_,61,64,1,1 1f9s_A_,61,65,1,1