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Standard 9x9 sudoku rules apply. Antiknight: Any two cells separated by a knight's move in chess cannot contain the same digit. Nonconsecutive: Any two orthogonally adjacent cells cannot contain consecutive digits. XV: Digits separated by an X sum to 10, those separated by a V sum to 5. Not all Xs are necessarily given. ALL Vs are given. Palindromes: Digits along a grey line must read the same forwards and backwards.
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By addie
Standard 9x9 sudoku rules apply. Antiknight: Any two cells separated by a knight's move in chess cannot contain the same digit. Nonconsecutive: Any two orthogonally adjacent cells cannot contain consecutive digits. XV: Digits separated by an X sum to 10, those separated by a V sum to 5. Not all Xs are necessarily given. ALL Vs are given. Palindromes: Digits along a grey line must read the same forwards and backwards.