Hi Chris
Thanks for that. It's worth a try as I've been struggling with these last two for weeks.
I'm fine, having had covid over the holiday period, but recovering now.
I think that’s very good UseBy, I had been scratching my head over that one.
I also like Chris’s answer (provided rambling counts as sport?), but note it’s Syd not Sid (I only know because I read the Wiki entry :-)