6 Answers · Example hardest: Single Position - Easy puzzle · Ex. Candidate Line - Medium Puzzle · Ex. Naked Pair - Hard Puzzle · Ex. Swordfish - Very Hard Puzzle ... ... <看更多>
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6 Answers · Example hardest: Single Position - Easy puzzle · Ex. Candidate Line - Medium Puzzle · Ex. Naked Pair - Hard Puzzle · Ex. Swordfish - Very Hard Puzzle ... ... <看更多>
Mar 22, 2021 - See more ideas about difficult sudoku. See more ideas about sudoku, sudoku puzzles, hard puzzles. ... <看更多>
Nick Snels. Samurai Sudoku Hard Volume 4 Nick Snels PuzzleBooks.net Latest books in the Samurai Sudoku series 1 - Samurai. ... <看更多>