Thanks Quisling. I did put it into the Chambers app thinking along those lines but by then I think I'd had enough!
Jogamel, I wish I'd had the sense to stop but having cold-solved so much I felt 'invested'. Even with 90%+ of the answers it was still a struggle for me and I wouldn't have got anywhere near the end without the kind help of the community here.
I think I may give Harribobs a miss next time (unless I get better at using Quinapalus...but that seems unlikely).
Cheers everyone und Kerrang!