Standard sudoku: in each row, column, and 3x3 region, each digit 1-9 appears exactly once.
Killer: In cages, digits do not repeat and sum to number in the top left corner.
Solution code: Row 1, Left to Right
on 9. October 2025, 14:22 by wilsig
Nice! Using letters rather 2*
on 8. October 2025, 17:54 by Ambrose
Very smooth, well-executed concept!
on 8. October 2025, 15:04 by EmX68
Fun puzzle!
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