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21 52 9 21 53 0 21 53 1 21 53 2 21 53 3 21 53 4 21 53 5 21 53 6 21 53 7 21 53 8 21 53 9 21 54 0 21 54 1 21 54 2 21 54 3 21 54 4 21 54 5 21 54 6 21 54 7 21 54 8 21 54 9 21 55 0 21 55 1 25100 25099 25098 25097 25096 25095 25094 25093 25092 25091 25090 25089 25088 25087 25086 25085 25084 25083 25082 25081 25080 25079

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