Logic Masters Deutschland e.V.

Normal Sudoku rules apply. Place the digits 1 through 9 into each row, column, and 3x3 subgrid so that each digit appears exactly once.

German whisper lines: Two cells connected by a German whisper line must have a difference of at least 5.

Renban lines: Every renban line contains a set of consecutive digits in any order, without repeats.

Region sum lines: For each line, digits on the line have an equal sum N within each box it passes through.

Click the image to solve it on Sudokupad.