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87 85 87 86 87 87 87 88 87 89 87 90 87 91 87 92 87 93 87 94 87 95 9170 9169 9168 9167 9166 9165 9164 9163 9162 9161

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