Let me shift my focus for the time being from the Oğuz Atay Puzzle Contest to the US Puzzle Championship. Black Pearl appeared in the US Puzzle Championship 2008, and I am sure that this will appear in the 2009 championship also.
Rules of Black Pearl Puzzle
Find a single closed loop passing through each of the numbered squares. The path passes through the centers of adjacent squares. When passing through a numbered square, the path must make a 90-degree turn and extend the corresponding number of squares in both directions.
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| Black Pearl Puzzle |
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