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37 66 1 37 66 2 37 66 3 37 66 4 37 66 5 37 66 6 37 66 7 37 66 8 37 66 9 37 67 0 37 67 1 3174 3173 3172 3171 3170 3169 3168 3167 3166 3165

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