Logic Masters Deutschland e.V.

This is the first puzzle in the Intro to Renban Walls series. This puzzle introduces renban walls in a familiar context.

These puzzles are meant to be an approachable introduction to renban wall puzzles. The rules are a bit quirky, but please give them a try!

Additional puzzles will be added to the series periodically (some links might not work yet).

Intro to Renban Walls Series

1. Intro to Renban Walls, Part I
2. Intro to Renban Walls, Part II

Rules:

Normal Sudoku rules apply.

A Renban Wall is an unbroken purple line along cell borders.

A renban set is a set of consecutive digits in any order, without repeats.

Digits on one side of a wall form a renban set. Digits on the other side of that wall form a renban set. Together, all digits touching that wall form a renban set.

Comments are always welcome. I'd love to hear your thoughts about the puzzle. Have fun!

Streamers have permission to use this puzzle.

Play in SudokuPad

Hints: The renban walls in this puzzle each touch nine cells. Digits can't repeat along a wall, so the area around each wall is effectively an extra region. These extra regions are located in the classic Windoku positions.