pair,contact1,contact2,flow1,flow2 1y6u_A_,2,5,1,1 1y6u_A_,9,47,1,1 1y6u_A_,10,13,1,1 1y6u_A_,10,14,1,1 1y6u_A_,11,15,1,1 1y6u_A_,12,16,1,1 1y6u_A_,13,16,1,1 1y6u_A_,13,17,1,1 1y6u_A_,16,19,1,1 1y6u_A_,21,24,1,1 1y6u_A_,21,25,1,1 1y6u_A_,22,26,1,1 1y6u_A_,23,27,1,1 1y6u_A_,24,28,1,1 1y6u_A_,25,29,1,1 1y6u_A_,26,30,1,1 1y6u_A_,28,32,1,1 1y6u_A_,32,35,1,1 1y6u_A_,39,46,1,1 1y6u_A_,41,43,1,1 1y6u_A_,41,44,1,1 1y6u_A_,48,51,1,1 1y6u_A_,49,53,1,1 1y6u_A_,50,54,1,1 1y6u_A_,52,55,1,1 1y6u_A_,53,56,1,1 1y6u_A_,56,59,1,1