Sudoku Puzzle Trend Sweeping Chicago

From trains and planes to coffee shops, people are playing Sudoku. It's a logic puzzle that took Asia and Europe by storm.

Now, Chicagoans are asking, 'Can you Sudoku?'

Take a nine-by-nine grid, throw in several given numbers -- and you've got Sudoku.

'I got hooked on it cause my mom got hooked on it,' one loyal player said.

The rules are each column, row and three-by-three box must contain the numbers one to nine only once.

'It's not a math puzzle, it's a logic puzzle,' another player explained.

It's a kind of logic that drives some to distraction.

More at NBC5.com.