Each week our art critic Laura Cumming zooms in on a detail from a picture and poses a question about it. The answer's shape is laid out in dashes and slashes — a dash for every letter, a slash for every word break. Guess as many times as you like, or choose to reveal anyway to see the full picture and the story behind it.
Have a message for Laura, or an artwork you think we should feature? Email us at puzzles@observer.co.uk
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