400 Killer Sudoku: Hard to Very Hard Killer Sudoku Puzzles (Sudoku Killer)

sku: COM9781727338362USED
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$10.19
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Description
In Killer Sudoku, 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".
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