Logic Masters Deutschland e.V.

Rules:

Normal sudoku rules apply.

Anti-knight: Cells that are a knight's move apart (in chess) cannot contain the same digit.

Anti-diagonal: Each main diagonal contains exactly 3 unique digits.

Palindrome: The sequence of digits along the thick gray line reads the same in both directions.

Kropki: A white dot joins two consecutive digits and a black dot joins digits in a 1:2 ratio. Not all dots are not necessarily given.

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