Thermometer: digits increase, starting from the bulb.
The C (yellow line): the sum of the five digits on the yellow line is 25.
The M (blue line): the sum of the seven digits on the blue line is 30.
German Whispers: digits along each green line have a difference of at least 5 to their neighbor(s).
Renban: digits on the purple line form a group of consecutive digits in any order.
Kropki: digits separated by a black dot have a ratio of 1:2. Digits separated by a white dot are consecutive. Not all possible dots are given.
Sudokupad: Link to Sudokupad
F-Puzzles-Link: F-Puzzles link
PS: If you like this puzzle, please also have a look at my other puzzles with a month name:
Solution code: the right column from top to bottom
on 1. December 2025, 20:57 by PinkNickels
Thanks, Doc! Fun solve.
on 1. December 2025, 14:27 by Ragna
Fun puzzle! Wonderful Mix.
Thank you, DocLogic. :-)
on 1. December 2025, 06:53 by Snuggles
Very nice mix of constraints. Smooth solve
| Difficulty: | ![]() |
| Rating: | 93 % |
| Solved: | 115 times |
| Observed: | 0 times |
| ID: | 000QC6 |