pair,contact1,contact2,flow1,flow2 8r2i_K_,3,6,1,1 8r2i_K_,4,7,1,1 8r2i_K_,6,9,1,1 8r2i_K_,7,10,1,1 8r2i_K_,9,13,1,1 8r2i_K_,10,14,1,1 8r2i_K_,11,15,1,1 8r2i_K_,12,15,1,1 8r2i_K_,12,16,1,1 8r2i_K_,15,18,1,1 8r2i_K_,16,19,1,1 8r2i_K_,19,23,1,1 8r2i_K_,20,24,1,1 8r2i_K_,21,25,1,1 8r2i_K_,22,26,1,1 8r2i_K_,23,27,1,1 8r2i_K_,24,28,1,1 8r2i_K_,25,29,1,1 8r2i_K_,26,30,1,1 8r2i_K_,27,31,1,1 8r2i_K_,28,32,1,1 8r2i_K_,29,33,1,1 8r2i_K_,30,34,1,1 8r2i_K_,31,35,1,1