I have created an advanced version of the simple substitution cipher.
It can now use chars in range from 0-255, but that should not stop you.
The ciphertext is in the language of this text, and uses correct punctuation and case-sensitivity.

67 4B 4A FC 34 DB 6F 28 AD DB 6F 36 4B 4A 0D 80
73 CE 2D 36 0D 73 4B 4A 5D 73 C5 DB 0D 73 2D DB
34 AC 5D 34 1D 73 53 28 6F 73 2A 4B 28 73 FC 4B
6F 73 36 6F 80 73 5F 5D 34 2A 73 C5 5D AD AD 73
AC 4B 4A 5D 73 0C 5D AD AD 4B C5 73 2D DB 2F 76
5D 34 80 73 CE 2D 5D 73 00 34 4B 53 AD 5D EB 73
C5 36 6F 2D 73 6F 2D 36 0D 73 2F 36 00 2D 5D 34
73 36 0D 73 6F 2D DB 6F 73 6F 2D 5D 73 76 5D 2A
73 36 0D 73 00 34 5D 6F 6F 2A 73 AD 4B 4A FC 80
73 7B 73 C5 36 AD AD 73 2F 4B EB 5D 73 28 00 73
C5 36 6F 2D 73 DB 73 53 5D 6F 6F 5D 34 73 5D 4A
2F 34 2A 00 6F 36 4B 4A 73 0D 2D 5D EB 5D 73 DB
4A 2A 73 0D 4B 4B 4A 80 73 EA 4B 28 34 73 0D 4B
AD 28 6F 36 4B 4A 73 36 0D B7 73 DB 5D 53 2F 34
53 00 0D 36 AC 0C 00 80