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76 5 76 6 76 7 76 8 76 9 77 0 77 1 77 2 77 3 77 4 77 5 3944 3943 3942 3941 3940 3939 3938 3937 3936 3935

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