Standard sudoku: Each digit, 1-9, appears exactly once in each row, column, and 3x3 region.
Killer: In cages, digits do not repeat and sum to number in the top left corner.
Solution code: Row 8 Left to Right
on 4. September 2025, 10:40 by Gambit
Thoroughly enjoyable killer puzzle. Proper 3* puzzle, 4* for some. Thanks for sharing.
on 4. September 2025, 07:22 by CYJ123456789
Nice