pair,contact1,contact2,flow1,flow2 7pit_T_,1,13,1,1 7pit_T_,6,10,1,1 7pit_T_,8,12,1,1 7pit_T_,9,13,1,1 7pit_T_,10,14,1,1 7pit_T_,11,15,1,1 7pit_T_,13,17,1,1 7pit_T_,14,18,1,1 7pit_T_,15,18,1,1 7pit_T_,15,19,1,1 7pit_T_,16,20,1,1 7pit_T_,17,21,1,1 7pit_T_,18,22,1,1 7pit_T_,19,23,1,1 7pit_T_,20,24,1,1 7pit_T_,21,25,1,1 7pit_T_,23,26,1,1 7pit_T_,25,28,1,1 7pit_T_,26,29,1,1 7pit_T_,33,37,1,1 7pit_T_,34,38,1,1 7pit_T_,35,39,1,1 7pit_T_,36,40,1,1 7pit_T_,37,41,1,1 7pit_T_,38,42,1,1 7pit_T_,39,43,1,1 7pit_T_,40,44,1,1 7pit_T_,41,45,1,1 7pit_T_,42,46,1,1 7pit_T_,43,46,1,1 7pit_T_,43,47,1,1 7pit_T_,44,48,1,1 7pit_T_,45,49,1,1 7pit_T_,47,50,1,1 7pit_T_,48,51,1,1