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81 57 81 58 81 59 81 60 81 61 81 62 81 63 81 64 81 65 81 66 81 67 36156 36155 36154 36153 36152 36151 36150 36149 36148 36147

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