Hi Brendan, you’re right that Paul fans will enjoy that one. Others may raise an eyebrow or two, e.g. ‘washer’ and ‘trousers’. Actually I quite like ‘trousers’.
I had the slightest recollection of the 19,12a topic but just read the Wikipedia page and hadn’t appreciated the full story, quite fun.
Admit I had to dip into the 225 blog for a couple of parsings. 15a had me stumped.