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37 21 4 37 21 5 37 21 6 37 21 7 37 21 8 37 21 9 37 22 0 37 22 1 37 22 2 37 22 3 37 22 4 3794 3793 3792 3791 3790 3789 3788 3787 3786 3785

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