Better known by his pseudonym Araucaria, John Graham set the Guardian cryptic crossword for 55 years. In December 2012, crossword number 25,842 appeared in the paper with a series of clues that once solved, revealed a personal message from Araucaria to his puzzle-solving followers. A puzzle in itself, this short film unpicks crossword number 25,842 to journey into John’s world of clue-making.