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51 44 2 51 44 3 51 44 4 51 44 5 51 44 6 51 44 7 51 44 8 51 44 9 51 45 0 51 45 1 51 45 2 51 45 3 51 45 4 51 45 5 51 45 6 51 45 7 18167 18166 18165 18164 18163 18162 18161 18160 18159 18158 18157 18156 18155 18154 18153

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