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36 7 36 8 36 9 37 0 37 1 37 2 37 3 37 4 37 5 37 6 37 7 37 8 37 9 38 0 38 1 38 2 1671 1670 1669 1668 1667 1666 1665 1664 1663 1662 1661 1660 1659 1658 1657

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