Logic Masters Deutschland e.V.

RULE SET:

Normal Sudoku rules apply. Place the digits 1 through 9 in each row, column, and box.

2-WHISPER LINE (BLUE): The blue line (the big number two) is a 2-whisper line. Digits must differ by at least 2 along this line. Digits may repeat if other rules allow.

3-WHISPER LINE (PINK): The pink line (the big number three) is a 3-whisper line. Digits must differ by at least 3 along this line. Digits may repeat if other rules allow.

4-WHISPER LINE (ORANGE): The orange line (the big number four) is a 4-whisper line (Dutch whisper). Digits must differ by at least 4 along this line. Digits may repeat if other rules allow.

5-WHISPER LINE (GREEN): The green line (the big number five) is a 5-whisper line (German whisper). Digits must differ by at least 5 along this line. Digits may repeat if other rules allow.

KROPKI DOTS: Black dots are a 1:2 ratio. White dots are consecutive. Not all dots are given.

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