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Killer Sudoku Book: 100 Killer Sudoku Stress Relief Puzzles
Killer Sudoku Book: 100 Killer Sudoku Stress Relief Puzzles
Current price: $10.24
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Size: OS
In
, sub-regions have specified sums, and no number can be repeated within a region. This variant also called "Sums Sudoku", "Sums Number Place", "Samunamupure", "Kikagaku Nampure".