pair,contact1,contact2,flow1,flow2 1htl_C_,1,4,1,1 1htl_C_,2,6,1,1 1htl_C_,3,7,1,1 1htl_C_,4,7,1,1 1htl_C_,4,8,1,1 1htl_C_,5,9,1,1 1htl_C_,7,10,1,1 1htl_C_,7,11,1,1 1htl_C_,8,12,1,1 1htl_C_,9,13,1,1 1htl_C_,10,14,1,1 1htl_C_,11,15,1,1 1htl_C_,12,15,1,1 1htl_C_,12,16,1,1 1htl_C_,13,17,1,1 1htl_C_,15,19,1,1 1htl_C_,16,20,1,1 1htl_C_,18,21,1,1 1htl_C_,18,22,1,1 1htl_C_,19,23,1,1 1htl_C_,20,24,1,1 1htl_C_,21,25,1,1 1htl_C_,22,26,1,1 1htl_C_,23,26,1,1 1htl_C_,23,27,1,1 1htl_C_,24,28,1,1 1htl_C_,25,29,1,1 1htl_C_,28,31,1,1 1htl_C_,29,32,1,1 1htl_C_,33,34,1,1 1htl_C_,36,39,1,1 1htl_C_,36,40,1,1 1htl_C_,37,41,1,1