Irregular 7x7 sudoku rules apply.
Place the digits 1-7 once each in every row column and region.
Palindromes: On lines digits must read the same forwards and backwards along the line.
Look and say diagonals: the first digit indicates how many of the second digit appear on that diagonal.
Solution code: Row 6 read left to right
yesterday, 12:33 by amirs
That was fun!
on 9. August 2026, 21:16 by only1evenprime
beautiful logic!
on 9. August 2026, 14:47 by galium_odoratum
Very fun puzzle, well set. The only issue for me was distinguishing the regions somtetimes, for irregulars I prefer the option for thicker region borders. But great puzzle nonetheless!
on 9. August 2026, 12:50 by Franjo
Thank you very much for creating and sharing this nice coloring exercise.
on 8. August 2026, 22:38 by Qodec
Very interesting!
on 8. August 2026, 22:14 by damo_89
Really enjoyed this revision, and my favourite part was the 11 and 12 clues pointing at each other.
on 8. August 2026, 20:22 by sujoyku
Thank you for this lovely puzzle, Jojo!