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Killer Sudoku Puzzles: The Best Logic and Math Puzzles Collection
Killer Sudoku Puzzles: The Best Logic and Math Puzzles Collection
Current price: $10.24
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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".