Sudoku

I will play Sudoku then instead of continuing to bother you.

In a recent article about activities to keep your brain young, they mention Esperanto along with Sudoku, which shows that Esperanto is becoming part of popular culture.

The sudoku in today's paper is very difficult.

Harold liked to listen to ambient music while playing sudoku on the toilet.

I got so absorbed in my Sudoku that I didn't notice the kettle whistling.

The sudoku in today's newspaper is very difficult.

For Preston is the publishing director at Puzzler Media, which creates magazines filled with puzzles, including one called sudoku that has taken Britain by storm. […] The puzzles are widely available over the Internet because efforts to trademark the name in Britain have not been successful, and you can even download sudokus to mobile phones.

In fact, anything we do just to kill time—even essentially healthy activities like reading, chatting on the phone, or completing a sudoku puzzle—becomes a 'time thief.

The annual championship event comprises two days of Sudoku, followed by three days of other types of pencil-and-paper logic puzzles. Some of the Sudokus were classics: In a 9-by-9 grid, insert a number from 1 to 9 into each cell so that no number repeats in any row, column or bolded 3-by-3 square region.