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72 36 72 37 72 38 72 39 72 40 72 41 72 42 72 43 72 44 72 45 72 46 36764 36763 36762 36761 36760 36759 36758 36757 36756 36755

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