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28 8 28 9 29 0 29 1 29 2 29 3 29 4 29 5 29 6 29 7 29 8 29 9 30 0 30 1 30 2 30 3 30 4 30 5 30 6 30 7 30 8 30 9 31 0 3868 3867 3866 3865 3864 3863 3862 3861 3860 3859 3858 3857 3856 3855 3854 3853 3852 3851 3850 3849 3848 3847

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