Om Killer Sudoku X
Killer Sudoku X builds on regular Sudoku by adding both extra diagonal constraints and dashed-line cages which must sum to a given value - even the 'easy' puzzles in this book are pretty tricky! Details about this Sudoku book:
Two puzzles per page.
Each puzzle has only one solution.
Answers to every puzzle are provided.
Easy to open and solve Sudoku thanks to wide fields
Bigger print than in most newspapers and magazines.
High quality paper (easy to write with pen and pencil without worry of bleed-through).
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