pair,contact1,contact2,flow1,flow2 2pk7_A_,2,5,1,1 2pk7_A_,3,6,1,1 2pk7_A_,3,7,1,1 2pk7_A_,9,13,1,1 2pk7_A_,9,14,1,1 2pk7_A_,9,27,1,1 2pk7_A_,9,34,1,1 2pk7_A_,12,27,1,1 2pk7_A_,17,26,1,1 2pk7_A_,19,21,1,1 2pk7_A_,19,22,1,1 2pk7_A_,19,24,1,1 2pk7_A_,21,23,1,1 2pk7_A_,23,36,1,1 2pk7_A_,24,48,1,1 2pk7_A_,25,34,1,1 2pk7_A_,27,30,1,1 2pk7_A_,27,32,1,1 2pk7_A_,28,31,1,1 2pk7_A_,31,50,1,1 2pk7_A_,33,48,1,1 2pk7_A_,35,42,1,1 2pk7_A_,37,40,1,1 2pk7_A_,37,46,1,1 2pk7_A_,43,46,1,1 2pk7_A_,44,47,1,1 2pk7_A_,48,54,1,1 2pk7_A_,50,55,1,1 2pk7_A_,51,54,1,1 2pk7_A_,51,55,1,1 2pk7_A_,52,56,1,1