Logic Masters Deutschland e.V.

By: BurgerMason

RULES:

• Normal Sudoku rules apply.
• Digits on purple lines (the "G+C" at the top) are renban lines, in which digits are consecutive and do not repeat.
• Grey lines (the I and S) are German Whisper lines, in which adjacent digits on lines must differ by at least 5.
• The blue line (the first M) is a region sum line, in which the digits on the line in each box it enters must sum to the same value.
• The orange line (the second M) is a 3-whisper line, in which adjacent digits on the line differ by at least 3.
• Digits separated by black dots are in a 1:2 ratio.
• Digits in a quadruple circle must appear in the surrounding cells. If a digit appears twice in a quadruple circle, it must appear twice.