The symmetry of the bars in the completed diagram is such that it would look the same if turned upside down but not if given a quar- ter turn. Clues are given in their correct order. Entries submitted should include bars, but numbers are unnecessary.

RULES AND REQUESTS

£25 in book tokens for the first three correct solutions opened.Solutions postmarked no later than Saturday to AZED No. 2,335, The Observer, 90 York Way, London N1 9G1