1. Normal sudoku rules apply.
2. Antiknight: digits separated by a chess knight's move must be different.
3. Killer: digits in cages sum to the given clue.
4. Palindrome: the 4 lines given are (short) palindromes.
5. The 2 digits in connected circles must sum to 9 (as indicated).
Good luck!
Solution code: Enter the digits in row 1 and row 9, in order, with no spaces.
on 1. November 2021, 00:04 by uvo_mod
Labels angepasst.