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18 12 18 13 18 14 18 15 18 16 18 17 18 18 18 19 18 20 18 21 18 22 18 23 18 24 18 25 18 26 18 27 13787 13786 13785 13784 13783 13782 13781 13780 13779 13778 13777 13776 13775 13774 13773

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