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82 4 82 5 82 6 82 7 82 8 82 9 83 0 83 1 83 2 83 3 83 4 83 5 83 6 83 7 83 8 83 9 424 423 422 421 420 419 418 417 416 415 414 413 412 411 410

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