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49 77 2 49 77 3 49 77 4 49 77 5 49 77 6 49 77 7 49 77 8 49 77 9 49 78 0 49 78 1 49 78 2 49 78 3 49 78 4 49 78 5 49 78 6 49 78 7 20077 20076 20075 20074 20073 20072 20071 20070 20069 20068 20067 20066 20065 20064 20063

= Free Coordinate    = Occupied(Single Region)     = Occupied (Var Region)     = Center of the grid