Little Killer Irrwisch Sudoku
(Published on 23. December 2023, 15:53 by clover)
Little killer: Clues outside of the grid are one- or two-digit numbers (reading from left to right) that indicate the sum of all digits appearing along the corresponding marked diagonal. (Digits may repeat along diagonals).
Irrwisch: All clues are encoded. Each instance of a specific letter stands for a different digit from 0 through 9, inclusive. For instance, all Bs in clues represent different digits. Two-digit clues never start with 0.
Solve with Penpa
If you like this, solve Gliperal's Irrwisch X-Sums Sudoku, which inspired it, here.
Solution code: row 8, left to right
Comments
on 5. September 2025, 23:47 by QuiltyAsCharged
A very interesting challenge... I had some good momentum and was making progress, but I hit a wall midway through. Seems like the difficulty really ramps up. I'm sure there must be a nice way forward, but I had to apply brute force instead
on 25. December 2023, 08:08 by by81996672
The rules may seem scary at first glance, but there are actually traces to follow. A good puzzle, thank you.
on 24. December 2023, 14:47 by Qodec
Interesting and good until the very end!
on 23. December 2023, 20:30 by mihel111
Great great puzzle. I'm not a fan of penpa, but for this one, it is the right software. +1 to all what Playmaker said.
Thank you for sharing on LMD.
on 23. December 2023, 16:43 by Playmaker6174
Fantastic and also a well-hidden solve path! Took me quite a long while in the middle but that one or two deductions right after was such an enlightening moment for me x)
