pair,contact1,contact2,flow1,flow2 3hsh_A_,3,24,1,1 3hsh_A_,4,26,1,1 3hsh_A_,6,26,1,1 3hsh_A_,6,28,1,1 3hsh_A_,8,17,1,1 3hsh_A_,8,28,1,1 3hsh_A_,8,30,1,1 3hsh_A_,9,31,1,1 3hsh_A_,10,13,1,1 3hsh_A_,10,14,1,1 3hsh_A_,11,15,1,1 3hsh_A_,11,32,1,1 3hsh_A_,12,16,1,1 3hsh_A_,13,16,1,1 3hsh_A_,14,17,1,1 3hsh_A_,17,20,1,1 3hsh_A_,18,21,1,1 3hsh_A_,18,38,1,1 3hsh_A_,19,38,1,1 3hsh_A_,22,25,1,1 3hsh_A_,24,38,1,1 3hsh_A_,25,38,1,1 3hsh_A_,27,36,1,1 3hsh_A_,29,34,1,1 3hsh_A_,30,33,1,1 3hsh_A_,33,51,1,1 3hsh_A_,34,36,1,1 3hsh_A_,34,45,1,1 3hsh_A_,35,46,1,1 3hsh_A_,37,44,1,1 3hsh_A_,38,39,1,1 3hsh_A_,38,42,1,1 3hsh_A_,39,42,1,1 3hsh_A_,47,48,1,1