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20 99 9 21 00 0 21 00 1 21 00 2 21 00 3 21 00 4 21 00 5 21 00 6 21 00 7 21 00 8 21 00 9 21 01 0 21 01 1 21 01 2 21 01 3 21 01 4 21 01 5 21 01 6 21 01 7 21 01 8 21 01 9 21 02 0 21 02 1 47750 47749 47748 47747 47746 47745 47744 47743 47742 47741 47740 47739 47738 47737 47736 47735 47734 47733 47732 47731 47730 47729

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