Normal sudoku rules apply. Place the digits 1-9 in each row, column, and box.
High – Low Lines: Digits on each individual line either are only high digits {5-9} or low digits {1-5}. The 5 can be on either line.
Kropki Dots: Digits separated by a white dot have a difference of one, digits separated by a black dot have a ratio of 2:1.
This is a sequel to the puzzle High Low,
High Low 4, and
If you like this puzzle you may enjoy some of my other puzzles too, click HERE to see the other puzzles I have made.
Solution code: Row 9
on 11. June 2026, 05:25 by Vaurien
Given the need for heavy pencil marking on this one, a solid 2*; still a really nice puzzle, just not something a beginner could ever do easily. :)
on 1. May 2026, 19:56 by Franjo
Definitely more than 1* for me. Maybe it’s the constraint - new for me. But surely interesting. Thank you very much for creating and sharing this nice puzzle.
on 30. April 2026, 19:24 by Srinidhi Kabra
OMG this was beautiful! Loved the new constraint. Initially I was a little confused but found the break soon enough! Thanks for this wonderful puzzle!
on 30. April 2026, 11:06 by NeeBats
I had a lot of fun solving this puzzle.
on 30. April 2026, 00:47 by ChulioZ
Thanks for the cool puzzle! The high-low lines were new for me and definitely a lot of fun to solve. I uploaded a video of my solve to my YouTube channel -- come by and take a look if you want! https://youtu.be/0PmLgnMjmNw
on 29. April 2026, 19:31 by NeeBats
I had a lot of fun solving this puzzle.
on 29. April 2026, 18:19 by NeeBats
I had a lot of fun solving this puzzle.
on 29. April 2026, 14:12 by Elliott810
Beautiful puzzle! Thank you:)