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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 9162 9161 9160 9159 9158 9157 9156 9155 9154 9153

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