pair,contact1,contact2,flow1,flow2 8xch_C_,1,5,1,1 8xch_C_,2,6,1,1 8xch_C_,3,7,1,1 8xch_C_,4,8,1,1 8xch_C_,5,9,1,1 8xch_C_,6,9,1,1 8xch_C_,6,10,1,1 8xch_C_,6,38,1,1 8xch_C_,7,11,1,1 8xch_C_,8,12,1,1 8xch_C_,9,13,1,1 8xch_C_,10,14,1,1 8xch_C_,11,15,1,1 8xch_C_,12,16,1,1 8xch_C_,13,17,1,1 8xch_C_,14,17,1,1 8xch_C_,15,18,1,1 8xch_C_,16,19,1,1 8xch_C_,17,20,1,1 8xch_C_,17,22,1,1 8xch_C_,20,23,1,1 8xch_C_,24,28,1,1 8xch_C_,25,29,1,1 8xch_C_,26,30,1,1 8xch_C_,27,31,1,1 8xch_C_,28,32,1,1 8xch_C_,29,33,1,1 8xch_C_,30,34,1,1 8xch_C_,31,35,1,1 8xch_C_,32,36,1,1 8xch_C_,33,37,1,1 8xch_C_,34,38,1,1 8xch_C_,35,39,1,1 8xch_C_,37,40,1,1 8xch_C_,38,41,1,1 8xch_C_,42,46,1,1 8xch_C_,43,45,1,1 8xch_C_,44,48,1,1 8xch_C_,45,49,1,1 8xch_C_,46,50,1,1 8xch_C_,47,51,1,1 8xch_C_,48,52,1,1 8xch_C_,49,53,1,1 8xch_C_,50,54,1,1 8xch_C_,51,55,1,1 8xch_C_,52,56,1,1 8xch_C_,53,56,1,1 8xch_C_,54,57,1,1 8xch_C_,55,59,1,1 8xch_C_,56,60,1,1 8xch_C_,57,60,1,1 8xch_C_,58,61,1,1 8xch_C_,66,70,1,1 8xch_C_,69,71,1,1 8xch_C_,71,72,1,1