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61 17 9 61 18 0 61 18 1 61 18 2 61 18 3 61 18 4 61 18 5 61 18 6 61 18 7 61 18 8 61 18 9 61 19 0 61 19 1 61 19 2 61 19 3 61 19 4 61 19 5 61 19 6 61 19 7 61 19 8 61 19 9 61 20 0 61 20 1 1690 1689 1688 1687 1686 1685 1684 1683 1682 1681 1680 1679 1678 1677 1676 1675 1674 1673 1672 1671 1670 1669

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