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27 09 0 27 09 1 27 09 2 27 09 3 27 09 4 27 09 5 27 09 6 27 09 7 27 09 8 27 09 9 27 10 0 27 10 1 27 10 2 27 10 3 27 10 4 27 10 5 27 10 6 27 10 7 27 10 8 27 10 9 27 11 0 27 11 1 27 11 2 18939 18938 18937 18936 18935 18934 18933 18932 18931 18930 18929 18928 18927 18926 18925 18924 18923 18922 18921 18920 18919 18918

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