Normal sudoku rules apply. Place the digits 1-6 once each in every row, column, and 2x3 box.
Thermometer: digits must strictly increase along each thermometer, starting from the bulb.
Solve in VariantDoku (iOS, macOS, Android) or on SudokuPad.
Solution code: Enter the digits of column 6.
Please note: The German version of this page has changed. It is possible that this page does not contain the latest information.