Base91 は分かるけど Base32768 って何！？
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JavaScript: base85, base91, base122, base32768 #Base91 - Qiita
https://qiita.com/mashuel/items/4bf96cd5b3cf6db70459
Base91 は分かるけど Base32768 って何！？
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JavaScript: base85, base91, base122, base32768 #Base91 - Qiita
https://qiita.com/mashuel/items/4bf96cd5b3cf6db70459
上には上が居たわ
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Ruby で Base65536 を実装する #Ruby - Qiita
https://qiita.com/QUANON/items/9760bb97e4e45ef23c46