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78 4 78 5 78 6 78 7 78 8 78 9 79 0 79 1 79 2 79 3 79 4 2139 2138 2137 2136 2135 2134 2133 2132 2131 2130

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