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SudokuDX — Sudoku Calculator (Killer cage sum combinations)

Sudoku Calculator · Killer cage sum combinations

Cells in cage
Must includedigits you already know
Excludedigits ruled out by peers

2 combinations

sum 15 · 2 cells
Required
123456789
Possible
123456789
  • 6 + 9 = 15
  • 7 + 8 = 15

Unique-combination sums

These cage sums have exactly one possible digit set — the fastest footholds in any Killer Sudoku. Tap one to load it.

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