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87 30 87 31 87 32 87 33 87 34 87 35 87 36 87 37 87 38 87 39 87 40 9195 9194 9193 9192 9191 9190 9189 9188 9187 9186

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