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72 36 72 37 72 38 72 39 72 40 72 41 72 42 72 43 72 44 72 45 72 46 8236 8235 8234 8233 8232 8231 8230 8229 8228 8227

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