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42 19 9 42 20 0 42 20 1 42 20 2 42 20 3 42 20 4 42 20 5 42 20 6 42 20 7 42 20 8 42 20 9 42 21 0 42 21 1 42 21 2 42 21 3 42 21 4 42 21 5 42 21 6 42 21 7 42 21 8 42 21 9 42 22 0 42 22 1 28170 28169 28168 28167 28166 28165 28164 28163 28162 28161 28160 28159 28158 28157 28156 28155 28154 28153 28152 28151 28150 28149

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