One of the largest and most challenging crosswords which commonly takes about an hour to finish. This puzzle is for those who are ready to tackle anything in front of them. Giant-size grids, tough questions and the Sunday Cryptoquip, which challenges readers to follow the clue and decipher the pun. Are you up for the challenge? Don't worry, if you get stuck you can reveal the answers. Enjoy the magnificent Sunday Premier Crossword every Sunday.