Logic Masters Deutschland e.V.

Place the digits 0-9 once each into every row, column and region. Dutch whispers: adjacent digits on an orange line must differ by at least 4. German whispers: adjacent digits on a green line must differ by at least 5. Renban: purple lines must contain a set of consecutive digits in any order. Parity lines: Along a red line, adjacent digits must alternate between odd and even. Palindromes: digits on a grey line read the same forwards and backwards. Region sum lines: region borders divide blue lines into segments. The values on each segment have the same sum, though this sum can be different for different lines. Kropki: digits separated by a black dot are in an 1:2 ratio (i.e. one digit is double the other).

Solve online here: SudokuPad Puzzle

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