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19 99 7 19 99 8 19 99 9 20 00 0 20 00 1 20 00 2 20 00 3 20 00 4 20 00 5 20 00 6 20 00 7 48795 48794 48793 48792 48791 48790 48789 48788 48787 48786

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