It's the maximum limit for names on Ruten, a shopping site in Taiwan. That's also the reason I used the name 尸三十三尺 for deliveries for a while! ASCII characters

It's the maximum limit for names on Ruten, a shopping site in Taiwan. That's also the reason I used the name 尸三十三尺 for deliveries for a while! ASCII characters weren't allowed. There are some words that are longer (e.g. Mesopotamia) but in practice those are basically all proper nouns.