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90 05 90 06 90 07 90 08 90 09 90 10 90 11 90 12 90 13 90 14 90 15 6439 6438 6437 6436 6435 6434 6433 6432 6431 6430

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