- I guess the most basic difference is that sudoku is a puzzle of logic - not a puzzle of esoteric knowledge and literate playfulness.
- Already more popular than sudoku in Japan, this number grid puzzle is described as the mathematical equivalent of crosswords.
- Martin Love may have scored the first half of his innings mostly in boundaries yesterday, but in the intervening period between his 47th and 48th runs, a woman in the crowd completed four pages of sudoku puzzles.
Early 21st century: from Japanese Sūdoku, from sū- (in sūji 'number') + -doku (in dokushin 'single status'), elements of the puzzle's former name.
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