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30 9 31 0 31 1 31 2 31 3 31 4 31 5 31 6 31 7 31 8 31 9 2138 2137 2136 2135 2134 2133 2132 2131 2130 2129

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