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.

00 86 C2 FE DA BC E9 60 61 BC E9 D8 86 C2 F3 C6
15 E8 7F D8 F3 15 86 C2 D9 15 83 BC F3 15 7F BC
DA A2 D9 DA 79 15 36 60 E9 15 2F 86 60 15 FE 86
E9 15 D8 E9 C6 15 3D D9 DA 2F 15 83 D9 61 61 15
A2 86 C2 D9 15 AD D9 61 61 86 83 15 7F BC 4E FB
D9 DA C6 15 E8 7F D9 15 96 DA 86 36 61 D9 3C 15
83 D8 E9 7F 15 E9 7F D8 F3 15 4E D8 96 7F D9 DA
15 D8 F3 15 E9 7F BC E9 15 E9 7F D9 15 FB D9 2F
15 D8 F3 15 96 DA D9 E9 E9 2F 15 61 86 C2 FE C6
15 0E 15 83 D8 61 61 15 4E 86 3C D9 15 60 96 15
83 D8 E9 7F 15 BC 15 36 D9 E9 E9 D9 DA 15 D9 C2
4E DA 2F 96 E9 D8 86 C2 15 F3 7F D9 3C D9 15 BC
C2 2F 15 F3 86 86 C2 C6 15 54 86 60 DA 15 F3 86
61 60 E9 D8 86 C2 15 D8 F3 99 15 BC 96 A2 61 DA
D9 DA D8 BC C2 7F 7F C6