pair,contact1,contact2,flow1,flow2 1nag_A_,1,55,1,1 1nag_A_,2,5,1,1 1nag_A_,3,6,1,1 1nag_A_,4,7,1,1 1nag_A_,11,34,1,1 1nag_A_,11,36,1,1 1nag_A_,16,36,1,1 1nag_A_,18,35,1,1 1nag_A_,20,33,1,1 1nag_A_,20,44,1,1 1nag_A_,21,45,1,1 1nag_A_,22,31,1,1 1nag_A_,24,27,1,1 1nag_A_,24,28,1,1 1nag_A_,24,29,1,1 1nag_A_,24,31,1,1 1nag_A_,47,50,1,1 1nag_A_,47,51,1,1 1nag_A_,48,52,1,1 1nag_A_,49,53,1,1 1nag_A_,50,54,1,1 1nag_A_,51,55,1,1 1nag_A_,52,56,1,1