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52 01 0 52 01 1 52 01 2 52 01 3 52 01 4 52 01 5 52 01 6 52 01 7 52 01 8 52 01 9 52 02 0 17455 17454 17453 17452 17451 17450 17449 17448 17447 17446

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