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21 98 21 99 22 00 22 01 22 02 22 03 22 04 22 05 22 06 22 07 22 08 3747 3746 3745 3744 3743 3742 3741 3740 3739 3738

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