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78 43 78 44 78 45 78 46 78 47 78 48 78 49 78 50 78 51 78 52 78 53 7586 7585 7584 7583 7582 7581 7580 7579 7578 7577

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