Logic Masters Deutschland e.V.

Normal Sudoku Rules: Place the numbers one to nine once each in each row column and box.

Thermometers: Digits on a thermometer strictly increase in value from the bulb to the tip.

Quadruple Clues: Each of the digits in a circle at the corner of a cell must appear in one of the four cells that touches that circle.

Between Lines: Digits on a grey between line must lie strictly between the two values in the circles at the ends of the line.

Renban Line: The purple line is a Renban line. It must contain a group of consecutive non-repeating digits. The Renban line extends into the circled cells at either end of it.

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