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30 55 9 30 56 0 30 56 1 30 56 2 30 56 3 30 56 4 30 56 5 30 56 6 30 56 7 30 56 8 30 56 9 30 57 0 30 57 1 30 57 2 30 57 3 30 57 4 30 57 5 30 57 6 30 57 7 30 57 8 30 57 9 30 58 0 30 58 1 15280 15279 15278 15277 15276 15275 15274 15273 15272 15271 15270 15269 15268 15267 15266 15265 15264 15263 15262 15261 15260 15259

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