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77 8 77 9 78 0 78 1 78 2 78 3 78 4 78 5 78 6 78 7 78 8 78 9 79 0 79 1 79 2 79 3 1763 1762 1761 1760 1759 1758 1757 1756 1755 1754 1753 1752 1751 1750 1749

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