Zhōngguó Ěryǔ
(Published on 9. September 2025, 19:30 by Prof.Dori)
Zhōngguó Ěryǔ
Rules:
Normal sudoku rules apply. Draw one loop in the grid that travels orthogonally, doesn't branch, and isn't allowed to touch itself, not even diagonally. For each box N, either there are exactly N cells that are part of the loop or there are exactly N cells that are not part of the loop. Adjacent digits on the loop must differ by at most 2. If there are exactly X cells on the loop in a box, then digit X is on the loop in that box. Orthogonally adjacent digits can't be consecutive if one is on the loop and the other is not on the loop. Digits separated by a black dot must be in ratio 1:2. Not all dots are necessarily given.
Solution code: Row 1.
Comments
on 11. September 2025, 16:53 by henrypijames
Unsurprisingly, the term "Chinese whispers" doesn't exist in Chinese. Just like "American size" - a term used in Norway and other European countries to refer to extra-large portioned food - doesn't exist in American English.
on 10. September 2025, 19:32 by Exigus
Lovely loop, quite a few surprises for me on the way. Thanks!
on 9. September 2025, 22:15 by beansontoast_
Loved this ruleset. There was probably a much smoother route than the one I took, but was fun nevertheless
on 9. September 2025, 19:57 by Yann
Brilliant !
