Logic Masters Deutschland e.V.

A sudoku that combines arrows and thermometers.

Normal sudoku rules apply: each digit 1 thru 9 appears once in every row, column and 3x3 box.

Thermometers: digits strictly increase from the bulb up along the thermometer.

Arrows: the digit in the circle is the sum of the digits on the arrow. Digits can repeat on an arrow as long as they don't violate normal sudoku rules.

Play it on F-Puzzles or SudokuPad.