The seventh puzzle in my Penpalindromes series. Hope you enjoy! If you do, please give the prior ones a try:
Solution code: Column 8, top to bottom
on 10. February 2026, 11:51 by snuuba
Very beautiful, many thanks
on 25. January 2026, 14:11 by Inge
25 minutes of fun, thank you
on 25. January 2026, 13:10 by rojspencer
Took me forever but I got there. Nice puzzle.
on 25. January 2026, 12:41 by Ragna
Wow! Fun puzzle! Thank you. :-)
on 25. January 2026, 11:33 by GrenP78
great puzzle
on 25. January 2026, 01:18 by abihummel
I live for this series! Another great one!
on 25. January 2026, 01:16 by rainingfish
I always love the various ways in this series that we have to disambiguate the digits once coloring, truly a delight as always!
on 24. January 2026, 21:10 by Shuhua Milk
Nice!
on 24. January 2026, 12:20 by sparkymanu
Very nice palindrome puzzle, I love those ♥
Thank you for sharing this!
on 24. January 2026, 10:55 by Exigus
Very enjoyable, smooth flow. Thanks!
on 24. January 2026, 09:07 by Mozart40
Oh, a very lovely palindrome sudoku. The right one to start the Saturday with. It solves beautifully, especially with the DW lines.
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