Logic Masters Deutschland e.V.

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

German Whisper Sudoku rules apply. Two cells connected by a line (either grey or green) must have a difference of five or more between their digits.

Little Killer Sudoku rules apply. Digits in a diagonal pointed at by an arrow, sum up to the number behind the arrow. The digits on a diagonal may repeat.

The inequality signs between two cells show which one contains the lower/higher digit.

The puzzle is also available online.