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90 07 90 08 90 09 90 10 90 11 90 12 90 13 90 14 90 15 90 16 90 17 6473 6472 6471 6470 6469 6468 6467 6466 6465 6464

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