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21 25 9 21 26 0 21 26 1 21 26 2 21 26 3 21 26 4 21 26 5 21 26 6 21 26 7 21 26 8 21 26 9 21 27 0 21 27 1 21 27 2 21 27 3 21 27 4 21 27 5 21 27 6 21 27 7 21 27 8 21 27 9 21 28 0 21 28 1 47470 47469 47468 47467 47466 47465 47464 47463 47462 47461 47460 47459 47458 47457 47456 47455 47454 47453 47452 47451 47450 47449

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