pair,contact1,contact2,flow1,flow2 2wsf_K_,2,5,1,1 2wsf_K_,3,7,1,1 2wsf_K_,5,9,1,1 2wsf_K_,7,10,1,1 2wsf_K_,9,12,1,1 2wsf_K_,10,13,1,1 2wsf_K_,11,15,1,1 2wsf_K_,12,16,1,1 2wsf_K_,12,17,1,1 2wsf_K_,14,18,1,1 2wsf_K_,15,19,1,1 2wsf_K_,16,20,1,1 2wsf_K_,19,22,1,1 2wsf_K_,22,25,1,1 2wsf_K_,23,26,1,1 2wsf_K_,24,27,1,1 2wsf_K_,27,29,1,1 2wsf_K_,28,31,1,1 2wsf_K_,29,32,1,1 2wsf_K_,38,40,1,1 2wsf_K_,45,48,1,1 2wsf_K_,52,56,1,1 2wsf_K_,53,57,1,1 2wsf_K_,55,58,1,1 2wsf_K_,56,59,1,1 2wsf_K_,58,62,1,1 2wsf_K_,59,63,1,1 2wsf_K_,61,64,1,1 2wsf_K_,62,65,1,1 2wsf_K_,67,71,1,1 2wsf_K_,68,70,1,1 2wsf_K_,79,82,1,1