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20 26 9 20 27 0 20 27 1 20 27 2 20 27 3 20 27 4 20 27 5 20 27 6 20 27 7 20 27 8 20 27 9 20 28 0 20 28 1 20 28 2 20 28 3 20 28 4 20 28 5 20 28 6 20 28 7 20 28 8 20 28 9 20 29 0 20 29 1 26461 26460 26459 26458 26457 26456 26455 26454 26453 26452 26451 26450 26449 26448 26447 26446 26445 26444 26443 26442 26441 26440

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