News; UK News; Prisons; Prisoners accuse newspaper of printing 'impossible' Sudoku after failing to solve puzzle The letter of complaint was signed by 86 prisoners who all tried and failed to ...

Prisoners complain about 'impossible' sudoku puzzle. In a joint letter, inmates at Exeter Prison say the puzzle published in Exeter's Express and Echo is too tricky ...

The letter of complaint was signed by 86 prisoners who all tried and failed to solve the quiz - only to be told they had done it wrong ...

Their letter, written on prison notepaper, said: "Dear Sir, I am sadly writing this letter in a lot of disappointment. "As you will see, I've enclosed last week's Sudoku page and we - along with ...