pair,contact1,contact2,flow1,flow2 1qa4_A_,15,16,1,1 1qa4_A_,27,28,1,1 1qa4_A_,32,34,1,1 1qa4_A_,34,35,1,1 1qa4_A_,34,37,1,1 1qa4_A_,35,39,1,1 1qa4_A_,36,40,1,1 1qa4_A_,37,41,1,1 1qa4_A_,43,46,1,1 1qa4_A_,50,51,1,1