Killer Sudoku
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Killer Sudoku
Fill the 4×4 grid. Each row, column, and 2×2 box has 1-4. Cages (dotted) must sum to the target.
Selected: —
Sum: 3 (now: 0)
Sum: 4 (now: 0)
Sum: 10 (now: 0)
Sum: 7 (now: 0)
Sum: 5 (now: 0)
Sum: 9 (now: 0)
Sum: 8 (now: 0)
Sum: 7 (now: 0)