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37 72 1 37 72 2 37 72 3 37 72 4 37 72 5 37 72 6 37 72 7 37 72 8 37 72 9 37 73 0 37 73 1 3081 3080 3079 3078 3077 3076 3075 3074 3073 3072

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