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48 88 1 48 88 2 48 88 3 48 88 4 48 88 5 48 88 6 48 88 7 48 88 8 48 88 9 48 89 0 48 89 1 48 89 2 48 89 3 48 89 4 48 89 5 48 89 6 48 89 7 48 89 8 48 89 9 48 90 0 48 90 1 48 90 2 48 90 3 21090 21089 21088 21087 21086 21085 21084 21083 21082 21081 21080 21079 21078 21077 21076 21075 21074 21073 21072 21071 21070 21069

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