pair,contact1,contact2,flow1,flow2 1twf_J_,1,57,1,1 1twf_J_,5,14,1,1 1twf_J_,5,15,1,1 1twf_J_,6,11,1,1 1twf_J_,7,11,1,1 1twf_J_,7,12,1,1 1twf_J_,17,21,1,1 1twf_J_,17,39,1,1 1twf_J_,18,22,1,1 1twf_J_,19,23,1,1 1twf_J_,20,24,1,1 1twf_J_,22,25,1,1 1twf_J_,22,26,1,1 1twf_J_,23,28,1,1 1twf_J_,24,30,1,1 1twf_J_,31,34,1,1 1twf_J_,31,35,1,1 1twf_J_,32,36,1,1 1twf_J_,33,37,1,1 1twf_J_,33,47,1,1 1twf_J_,35,38,1,1 1twf_J_,36,39,1,1 1twf_J_,36,41,1,1 1twf_J_,37,40,1,1 1twf_J_,37,47,1,1 1twf_J_,43,46,1,1 1twf_J_,43,47,1,1 1twf_J_,44,48,1,1 1twf_J_,47,50,1,1 1twf_J_,47,51,1,1 1twf_J_,48,52,1,1 1twf_J_,50,53,1,1 1twf_J_,54,56,1,1 1twf_J_,56,60,1,1 1twf_J_,57,61,1,1 1twf_J_,59,62,1,1 1twf_J_,60,63,1,1