to 2431: Pride of place
Each of the pairs of unclued lights is a CITY (formed from the letters in the yellow squares) and its nickname: 6D/11, 9/34, 13/29 and 28/18. First prize Mike Whiteoak, Ilford, Essex Runners-up Virginia Porter, Gwaelod-y-Garth, Cardiff; Trevor Evans, Drulingen, France