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87 89 87 90 87 91 87 92 87 93 87 94 87 95 87 96 87 97 87 98 87 99 9195 9194 9193 9192 9191 9190 9189 9188 9187 9186

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