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87 09 87 10 87 11 87 12 87 13 87 14 87 15 87 16 87 17 87 18 87 19 87 20 87 21 87 22 87 23 87 24 87 25 87 26 87 27 87 28 87 29 87 30 87 31 58090 58089 58088 58087 58086 58085 58084 58083 58082 58081 58080 58079 58078 58077 58076 58075 58074 58073 58072 58071 58070 58069

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