pair,contact1,contact2,flow1,flow2 2d9s_A_,9,12,1,1 2d9s_A_,9,13,1,1 2d9s_A_,10,14,1,1 2d9s_A_,12,16,1,1 2d9s_A_,12,41,1,1 2d9s_A_,13,17,1,1 2d9s_A_,15,19,1,1 2d9s_A_,16,21,1,1 2d9s_A_,17,20,1,1 2d9s_A_,22,25,1,1 2d9s_A_,22,26,1,1 2d9s_A_,23,27,1,1 2d9s_A_,24,28,1,1 2d9s_A_,25,29,1,1 2d9s_A_,26,30,1,1 2d9s_A_,27,31,1,1 2d9s_A_,28,32,1,1 2d9s_A_,29,33,1,1 2d9s_A_,30,35,1,1 2d9s_A_,31,34,1,1 2d9s_A_,33,36,1,1 2d9s_A_,36,39,1,1 2d9s_A_,36,40,1,1 2d9s_A_,37,41,1,1 2d9s_A_,38,42,1,1 2d9s_A_,39,43,1,1 2d9s_A_,40,44,1,1 2d9s_A_,41,45,1,1 2d9s_A_,43,46,1,1 2d9s_A_,43,47,1,1 2d9s_A_,44,48,1,1