Region Map
Coordinate
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21939
21938
21937
21936
21935
21934
21933
21932
21931
21930
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21927
21926
21925
21924
21923
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21920
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21910
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21904
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21880
= Freee Cortrdinate
= Occupied(Single Region)
= Occupied (Var Region)
= Center of the grid