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37 97 37 98 37 99 38 00 38 01 38 02 38 03 38 04 38 05 38 06 38 07 1677 1676 1675 1674 1673 1672 1671 1670 1669 1668

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