62/53
= 2 * 31 * 53-1
271.531 cents
https://en.xen.wiki/w/File:Jid_62_53_pluck_adu_dr220.mp3 sound sample
The orwell subminor third, 62/53, makes for a good tuning for orwell temperament. It is very close to the 31\137 generator, which is intermediate between 12\53 and 19\84.