Big Book of Killer Su Doku. Book 1

Описание

Challenge yourself at home with number puzzlesKiller Su Doku poses an even greater challenge than Fiendish Su Doku puzzles. This is a bumper collection of more than 360 puzzles for hard-core Su Doku solvers. Selected from the pages of The Times these puzzles will keep even the most eager enthusiasts entertained for hours.Killer Su Doku, takes Su Doku to the next level.
 The puzzles use the same 9x9 grid but there is a double challenge. The aim is not only to complete every row, column and cube

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