Advanced Sudoku: Skyscraper = Sashimi Finned X-Wing!

We take a look at two puzzles requested recently and discuss how to resolve the endgame. Techniques discussed include Skyscrapers, X-Wings (both sashimi, finned and sashimi finned) and Uniqueness using 6 boxes (instead of the usual 4).

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Видео Advanced Sudoku: Skyscraper = Sashimi Finned X-Wing! канала Cracking The Cryptic