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28 37 0 28 37 1 28 37 2 28 37 3 28 37 4 28 37 5 28 37 6 28 37 7 28 37 8 28 37 9 28 38 0 28 38 1 28 38 2 28 38 3 28 38 4 28 38 5 17587 17586 17585 17584 17583 17582 17581 17580 17579 17578 17577 17576 17575 17574 17573

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