Uoencode encodes each 3byte of input into 4 uo('魚', うお) characters.

The table below shows how the word "Pgr" is encoded.

First, a bunch of three octets 0x50(P) 0x67(g) 0x72(r) is sliced into four pieces of 6-bit section. Next, Uo-characters corresponding each 6-bit patterns are looked up in the table. And then, 4 Uo-characters are converted into a byte sequence of the specific encoding.

The following table shows the conversion of the decimal value of the 6-bit fields and their corresponding Uo character.