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37 79 37 80 37 81 37 82 37 83 37 84 37 85 37 86 37 87 37 88 37 89 1884 1883 1882 1881 1880 1879 1878 1877 1876 1875

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