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38 3 38 4 38 5 38 6 38 7 38 8 38 9 39 0 39 1 39 2 39 3 39 4 39 5 39 6 39 7 39 8 3916 3915 3914 3913 3912 3911 3910 3909 3908 3907 3906 3905 3904 3903 3902

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