Place the digits 1–9 so that each digit appears once in every row, column and 3×3 box.
Black dots: digits separated by a black dot multiply to 24. Every such pair is marked — an unmarked adjacent pair never multiplies to 24.
Killer cages: digits in a cage are distinct and sum to 24. Not every cell is in a cage.
Solve online: https://sudokupad.app/vcsgv1z15g
Magic 12: 000URJ.
Magic 18: 000US3.
Magic 30: 000UVI.
7x7 clover sudoku 4: 000UMX.
Solution code: Enter the digits from row 1.
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