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77 2 77 3 77 4 77 5 77 6 77 7 77 8 77 9 78 0 78 1 78 2 2133 2132 2131 2130 2129 2128 2127 2126 2125 2124

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