Beauty Mark
(Published on 24. August 2023, 21:36 by zetamath)
Normal sudoku rules apply. Normal black dot rules apply. The two digits on the black dot have a ratio of 2:1. There are no negative constraints of any kind.
Nabner Lines: The thicker golden lines are nabner lines. Digits cannot repeat on a line, and lines cannot contain consecutive digits, regardless of order. For example, if a line has a 3 anywhere on it, 2 and 4 cannot appear on that line.
Region Sum Lines: The thinner blue lines in the grid are Region Sum Lines. The sum of digits on the line is the same within each box.
Have fun, leave a comment if you enjoy the puzzle!
PS: I stream solving sudoku like puzzles three days a week. 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 3
Comments
on 28. October 2023, 12:12 by Crusader175
Lovely interaction!
on 1. September 2023, 00:58 by Christounet
Is Z the new beauty mark ? I guess it is !
on 31. August 2023, 10:43 by oceansellaven
Loved it! Had to really brute force it because I under-used the secret, but I got there anyway!
on 30. August 2023, 02:17 by PotatoHead21
100th solve on this puzzle
on 29. August 2023, 22:33 by antiknight
Cool break-in idea and cute ideas after! I think the difficulty is at most 2.5* tho :)
on 27. August 2023, 11:26 by MartinR
Nice flow after break in.
I did get stuck at the midpoint for a while as had missed the "can not repeat" part of the nabner rules here - I had recently done Soliloquy, which didn't have/need that restriction.
That was down to my scanning, and not seeing that while the example said that a line with a 3 can't have 2/4 it also can't have another 3
on 26. August 2023, 19:43 by samuel1997
Fun puzzle! This deserves a higher approval rating!
on 26. August 2023, 09:53 by Playmaker6174
Such a 'weird' opening but after that, the solve became quite smoother with lots of neat interactions between two types of line :)
on 26. August 2023, 08:32 by rentalcustard
Zetamath uses Nabner lines to break brains, and we love it.
on 26. August 2023, 05:40 by alanb
I found this one a little easier than your other recent nabner puzzles, maybe I got lucky and was able to spot the break-in, or maybe that good nabner logic is starting to sink in :) nice puzzle!
on 26. August 2023, 04:00 by econtrout
It just flows. Very nice puzzle, I thought it was on the easy side of 4 stars, but great setting. Thanks!
To the issue of the black dot - there are two solutions to the puzzle without the black dot!
on 25. August 2023, 20:55 by wenchang
Very Enjoyable to play! Nice!!! Spoiler alert!
https://youtu.be/0GcJA3ev14s
on 25. August 2023, 17:36 by stimim
Nice puzzle! When you find the break-in, everything else can be solved smoothly!
on 25. August 2023, 15:07 by vorash00
loving the nabner lines
on 25. August 2023, 10:27 by Tilberg
Smooth and elegant solve, with a well-telegraphed break-in and some wonderful gems of logic throughout. Thanks!
on 25. August 2023, 03:54 by Exzerzo
The process in finding out the minimum and maximum was a joy to behold!
on 24. August 2023, 22:59 by zetamath
I included the black dot rules only at the Sudokupad link. Fixed now!
