Killer sudoku - Wikipedia
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Sudoku - Wikiwand
KillSud - killer sudoku - Apps on Google Play
logical deduction - Largest cages Killer Sudoku - Puzzling Stack Exchange
Sudoku - Wikipedia
Sudoku
logical deduction - Largest cages Killer Sudoku - Puzzling Stack Exchange
According to wikipedia, this is currently the least known clues killer sudoku (no killer sums, just eight < > = signs). I solved it and it's amazing : r/sudoku
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Sudoku
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