pair,contact1,contact2,flow1,flow2 1ba4_A_,3,16,1,1 1ba4_A_,4,7,1,1 1ba4_A_,11,16,1,1 1ba4_A_,14,17,1,1 1ba4_A_,14,18,1,1 1ba4_A_,15,19,1,1 1ba4_A_,16,20,1,1 1ba4_A_,17,21,1,1 1ba4_A_,18,22,1,1 1ba4_A_,19,23,1,1 1ba4_A_,20,24,1,1 1ba4_A_,21,25,1,1 1ba4_A_,22,26,1,1 1ba4_A_,23,27,1,1 1ba4_A_,24,28,1,1 1ba4_A_,26,29,1,1 1ba4_A_,27,31,1,1 1ba4_A_,28,32,1,1 1ba4_A_,29,33,1,1 1ba4_A_,30,34,1,1 1ba4_A_,31,35,1,1 1ba4_A_,32,36,1,1 1ba4_A_,33,37,1,1 1ba4_A_,37,40,1,1