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37 0 37 1 37 2 37 3 37 4 37 5 37 6 37 7 37 8 37 9 38 0 1658 1657 1656 1655 1654 1653 1652 1651 1650 1649

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