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81 39 81 40 81 41 81 42 81 43 81 44 81 45 81 46 81 47 81 48 81 49 36156 36155 36154 36153 36152 36151 36150 36149 36148 36147

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