Logic Masters Deutschland e.V.

Normal 6x6 Sudoku rules apply.

Echo Lines: Indigo lines are filled with a repeating sequence of one or more different digits. The full sequence must appear at least twice along the line and must always repeat in its entirety. Different lines may contain different sequences.

Little Killers: Digits along a marked diagonal must sum to the given total.

Kropki Dots: Digits separated by a white dot must be consecutive.

Play on SudokuPad