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89 8 89 9 90 0 90 1 90 2 90 3 90 4 90 5 90 6 90 7 90 8 90 9 91 0 91 1 91 2 91 3 164 163 162 161 160 159 158 157 156 155 154 153 152 151 150

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