pair,contact1,contact2,flow1,flow2 1x6b_A_,18,44,1,1 1x6b_A_,19,73,1,1 1x6b_A_,20,42,1,1 1x6b_A_,21,71,1,1 1x6b_A_,22,39,1,1 1x6b_A_,22,40,1,1 1x6b_A_,23,38,1,1 1x6b_A_,26,36,1,1 1x6b_A_,28,35,1,1 1x6b_A_,29,33,1,1 1x6b_A_,30,33,1,1 1x6b_A_,32,64,1,1 1x6b_A_,37,40,1,1 1x6b_A_,41,57,1,1 1x6b_A_,43,55,1,1 1x6b_A_,45,46,1,1 1x6b_A_,45,53,1,1 1x6b_A_,46,53,1,1 1x6b_A_,48,51,1,1 1x6b_A_,52,65,1,1 1x6b_A_,54,63,1,1 1x6b_A_,56,61,1,1 1x6b_A_,66,69,1,1 1x6b_A_,67,70,1,1 1x6b_A_,73,74,1,1 1x6b_A_,75,77,1,1