Welcome to the Palindrome 5
(Published on 10. February 2026, 22:55 by billybeth)
Normal Sudoku rules apply
Grey palindrome line reads the same from both ends
X shows two squares joined add to 10, V shows add to 5. Not all X and V given.
Cells a chess knight move apart may not contain same number.
Orange line is a regional sum difference line where each segment of the line divided by box edges sums to a different number. The total sum of the orange line is 171.
Solve online:Sudokupad
Solution code: top row
Solved by SKORP17, ofsmul, cornish-john, Chaossudokusplease, zonny, apendleton, zuzanina, sparkymanu, Jana, Piff, superkinkel, Ungesundheit, lianarox, kehan628, muule, Deusmaximus, Julianl, b413x, Crul
Comments
on 11. February 2026, 09:09 by sparkymanu
I really liked this one!
Most of the time, the hard part of a palindrome puzzle is the colouring (or lettering) part, then the deduction is more satisfying than difficult. But in this one, the final deduction was pretty tricky.
Very nice setting, thank you for sharing! :)
