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70 8 70 9 71 0 71 1 71 2 71 3 71 4 71 5 71 6 71 7 71 8 71 9 72 0 72 1 72 2 72 3 72 4 72 5 72 6 72 7 72 8 72 9 73 0 1757 1756 1755 1754 1753 1752 1751 1750 1749 1748 1747 1746 1745 1744 1743 1742 1741 1740 1739 1738 1737 1736

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