Standard Variant Rules:
1. The numbers on the outside of the grid indicate the sum of the diagonal
2. Grey lines are palindromes
3. Numbers may not repeat along the 2 major diagonals
4. Digits may not repeat within a cage
5. Standard Sudoku rules apply
Welcome any comments and/or feedback! :)
Solution code: Column 1 and Row 7
on 25. August 2021, 20:45 by uvo_mod
Labels ergänzt.
on 8. May 2021, 16:23 by beesquestionmark
Updated difficulty
on 8. May 2021, 13:33 by Johannes Quack
Very clever, great puzzle!