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37 1 37 2 37 3 37 4 37 5 37 6 37 7 37 8 37 9 38 0 38 1 1649 1648 1647 1646 1645 1644 1643 1642 1641 1640

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