Normal Sudoku rules apply. Each row, column, and 3x3 box contains each number from 1 to 9 exactly once.
Little Killer Sudoku rules apply. Digits in a diagonal pointed at by an arrow, sum up to the number behind the arrow. The digits on a diagonal may repeat.
Killer Sudoku rules apply. The sum of all numbers in a cage (marked with dashed lines) must match the small number printed in its corner. No number appears more than once in a cage.
Identically colored regions are exact clones of each other.
The puzzle is also available online.
Solution code: Row 3 and Column 3
on 11. July 2024, 19:02 by mezkur7
Sudokupad: https://sudokupad.app/3qmyxzsebg
on 15. October 2021, 00:42 by Kafkapharnaum
Superb puzzle -- makes me feel like 'killer clones' should be a constraint of its own!
on 19. September 2021, 15:45 by uvo_mod
Labels ergänzt.
on 5. September 2021, 21:03 by metalsunflower
Lovely logic. Very elegant.
on 5. September 2021, 20:38 by TheRiddler
That's a very nice puzzle. The logical steps are not trivial in my view, but the puzzle basically always tells you where to look and helps you find those steps. Thanks!!! :-)