![Prague, Czech Republic. 07th Nov, 2018. The World Sudoku & Puzzle Championship was held in Prague, Czech Republic, on November 7, 2018. On the photo is seen Jakub Ondrousek from Czech Republic. Prague, Czech Republic. 07th Nov, 2018. The World Sudoku & Puzzle Championship was held in Prague, Czech Republic, on November 7, 2018. On the photo is seen Jakub Ondrousek from Czech Republic.](https://l450v.alamy.com/450v/r0yejw/prague-czech-republic-07th-nov-2018-the-world-sudoku-puzzle-championship-was-held-in-prague-czech-republic-on-november-7-2018-on-the-photo-is-seen-jakub-ondrousek-from-czech-republic-until-now-ondrousek-was-the-world-record-holder-he-solved-the-sudoku-grid-in-1-minute-and-25-seconds-in-2010-credit-michaela-rihovactk-photoalamy-live-news-r0yejw.jpg)
Prague, Czech Republic. 07th Nov, 2018. The World Sudoku & Puzzle Championship was held in Prague, Czech Republic, on November 7, 2018. On the photo is seen Jakub Ondrousek from Czech Republic.
![2018 16 X 16 Sudoku Puzzle Book For Adults: 365 Easy to Hard 16X16 Sudoku Puzzles for Each Day of the Year by Andrew Woodyear | Goodreads 2018 16 X 16 Sudoku Puzzle Book For Adults: 365 Easy to Hard 16X16 Sudoku Puzzles for Each Day of the Year by Andrew Woodyear | Goodreads](https://images-na.ssl-images-amazon.com/images/S/compressed.photo.goodreads.com/books/1520886565i/39171853.jpg)
2018 16 X 16 Sudoku Puzzle Book For Adults: 365 Easy to Hard 16X16 Sudoku Puzzles for Each Day of the Year by Andrew Woodyear | Goodreads
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