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37 29 7 37 29 8 37 29 9 37 30 0 37 30 1 37 30 2 37 30 3 37 30 4 37 30 5 37 30 6 37 30 7 4456 4455 4454 4453 4452 4451 4450 4449 4448 4447

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