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21 9 22 0 22 1 22 2 22 3 22 4 22 5 22 6 22 7 22 8 22 9 23 0 23 1 23 2 23 3 23 4 23 5 23 6 23 7 23 8 23 9 24 0 24 1 13880 13879 13878 13877 13876 13875 13874 13873 13872 13871 13870 13869 13868 13867 13866 13865 13864 13863 13862 13861 13860 13859

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