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79 6 79 7 79 8 79 9 80 0 80 1 80 2 80 3 80 4 80 5 80 6 80 7 80 8 80 9 81 0 81 1 334 333 332 331 330 329 328 327 326 325 324 323 322 321 320

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