Heavy
(Published on 1. January 2026, 22:16 by zetamath)
[This puzzle was collaboratively set on stream with Special guest tallcat! Video here. We also set a much easier puzzle (Interrogative) which I posted before this one.]
Normal sudoku rules apply. Non-standard renban rules apply (see below).
Renban contain a non-repeating set of consecutive digits in any order.
In this puzzle, the largest digit on each renban must be at one of the ends.
Have fun, leave a comment if you enjoy the puzzle!
PS: I stream solving sudoku like puzzles two days a week, as well as posting Let's Plays of puzzle games like Blue Prince. You can check out the channel, as well as some videos I have made about setting puzzles, at my YouTube channel here.
Solution code: Row 9
Comments
on 8. January 2026, 10:32 by Olive
Wow, just wow. That break-in awed me!
on 6. January 2026, 12:34 by vorash00
Seemed impossible - then I read the rules and the add on which made it possible
on 5. January 2026, 22:25 by War
Very fun puzzle, cool add-on to renban. This took me 12 minutes, it flowed really nicely, felt more like a 2-3* difficulty. Thanks for posting!
on 5. January 2026, 03:04 by MikeMeech
I can't believe how cool this simple rule set was. Great fun!
on 3. January 2026, 08:02 by Piatato
Great fun!
on 3. January 2026, 05:20 by Crusader175
Very nice interaction!
on 2. January 2026, 23:01 by BorisTheSnake
Such beautiful construction!! Everything flowed perfectly. Very nice! :)
on 2. January 2026, 13:34 by Fool on Hill
What a great puzzle to start the year!
on 2. January 2026, 11:17 by Snookerfan
Very nice! That extra constraint did so much, thanks!
on 2. January 2026, 10:33 by Exigus
Brilliant use of the extra constraint. Loved it!
on 2. January 2026, 06:29 by Playmaker6174
Super fun and neat puzzle, the extra constraint came in really handy and allowed for some slick interactions there!
Thanks again for the fun experience x)
on 2. January 2026, 04:47 by twototenth
Extremely cool puzzle, delightful steps throughout the solve. Nice work!
on 2. January 2026, 01:26 by Myxo
Lovely, and felt quite "approachable" for me :)
on 1. January 2026, 23:34 by SirWoezel
At least the first digit was easy! Really cool logic all through.
