Logic Masters Deutschland e.V.

Normal Sudoku rules apply. Each row, column, and 3x3 box contains each number from 1 to 9 exactly once.

Killer Sudoku rules apply. The sum of all numbers in a cage (marked with dashed lines) must be lower or higher than the small number printed in its corner, depending on the inequality signs. No number appears more than once in a cage.

The puzzle is also available online.