After last week's confusion with two weeks labelled as March 14th, this week we have a grid with no clues on the web site. A suggestion involving socks, up and pull springs to mind.
Sorry, kayakamina, only just saw your kind offer (sunshine beckoned this afternoon and then had to get the casserole on). I think I'd better decline, as I must get some coursework marked this evening-- but many thanks for the offer.