pair,contact1,contact2,flow1,flow2 7pit_M_,3,7,1,1 7pit_M_,4,8,1,1 7pit_M_,5,9,1,1 7pit_M_,6,10,1,1 7pit_M_,6,24,1,1 7pit_M_,6,25,1,1 7pit_M_,7,10,1,1 7pit_M_,8,11,1,1 7pit_M_,9,22,1,1 7pit_M_,23,37,1,1 7pit_M_,25,42,1,1 7pit_M_,26,39,1,1 7pit_M_,28,39,1,1 7pit_M_,33,38,1,1 7pit_M_,39,43,1,1 7pit_M_,40,44,1,1 7pit_M_,41,45,1,1 7pit_M_,42,46,1,1 7pit_M_,43,47,1,1 7pit_M_,44,48,1,1 7pit_M_,45,48,1,1 7pit_M_,46,50,1,1 7pit_M_,46,51,1,1 7pit_M_,53,56,1,1 7pit_M_,55,56,1,1 7pit_M_,57,59,1,1