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88 60 88 61 88 62 88 63 88 64 88 65 88 66 88 67 88 68 88 69 88 70 6580 6579 6578 6577 6576 6575 6574 6573 6572 6571

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