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53 87 8 53 87 9 53 88 0 53 88 1 53 88 2 53 88 3 53 88 4 53 88 5 53 88 6 53 88 7 53 88 8 53 88 9 53 89 0 53 89 1 53 89 2 53 89 3 53 89 4 53 89 5 53 89 6 53 89 7 53 89 8 53 89 9 53 90 0 15320 15319 15318 15317 15316 15315 15314 15313 15312 15311 15310 15309 15308 15307 15306 15305 15304 15303 15302 15301 15300 15299

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