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42 17 9 42 18 0 42 18 1 42 18 2 42 18 3 42 18 4 42 18 5 42 18 6 42 18 7 42 18 8 42 18 9 42 19 0 42 19 1 42 19 2 42 19 3 42 19 4 42 19 5 42 19 6 42 19 7 42 19 8 42 19 9 42 20 0 42 20 1 28161 28160 28159 28158 28157 28156 28155 28154 28153 28152 28151 28150 28149 28148 28147 28146 28145 28144 28143 28142 28141 28140

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