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27 87 9 27 88 0 27 88 1 27 88 2 27 88 3 27 88 4 27 88 5 27 88 6 27 88 7 27 88 8 27 88 9 27 89 0 27 89 1 27 89 2 27 89 3 27 89 4 27 89 5 27 89 6 27 89 7 27 89 8 27 89 9 27 90 0 27 90 1 41090 41089 41088 41087 41086 41085 41084 41083 41082 41081 41080 41079 41078 41077 41076 41075 41074 41073 41072 41071 41070 41069

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