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.

D3 BF E4 49 F4 84 38 BE 86 84 38 1F BF E4 B0 D7
01 E0 55 1F B0 01 BF E4 C3 01 18 84 B0 01 55 84
F4 19 C3 F4 B9 01 14 BE 38 01 46 BF BE 01 49 BF
38 01 1F 38 D7 01 C6 C3 F4 46 01 18 C3 86 86 01
19 BF E4 C3 01 F0 C3 86 86 BF 18 01 55 84 ED 76
C3 F4 D7 01 E0 55 C3 01 2B F4 BF 14 86 C3 E7 01
18 1F 38 55 01 38 55 1F B0 01 ED 1F 2B 55 C3 F4
01 1F B0 01 38 55 84 38 01 38 55 C3 01 76 C3 46
01 1F B0 01 2B F4 C3 38 38 46 01 86 BF E4 49 D7
01 CA 01 18 1F 86 86 01 ED BF E7 C3 01 BE 2B 01
18 1F 38 55 01 84 01 14 C3 38 38 C3 F4 01 C3 E4
ED F4 46 2B 38 1F BF E4 01 B0 55 C3 E7 C3 01 84
E4 46 01 B0 BF BF E4 D7 01 3D BF BE F4 01 B0 BF
86 BE 38 1F BF E4 01 1F B0 5E 01 84 2B 19 86 F4
C3 F4 1F 84 E4 55 55 D7