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.

E1 D1 28 16 F2 B2 36 5C 5E B2 36 84 D1 28 1F 87
6B C7 7F 84 1F 6B D1 28 5D 6B 1D B2 1F 6B 7F B2
F2 91 5D F2 1E 6B CA 5C 36 6B 59 D1 5C 6B 16 D1
36 6B 84 36 87 6B 90 5D F2 59 6B 1D 5D 5E 5E 6B
91 D1 28 5D 6B C0 5D 5E 5E D1 1D 6B 7F B2 4D DE
5D F2 87 6B C7 7F 5D 6B DD F2 D1 CA 5E 5D 3D 6B
1D 84 36 7F 6B 36 7F 84 1F 6B 4D 84 DD 7F 5D F2
6B 84 1F 6B 36 7F B2 36 6B 36 7F 5D 6B DE 5D 59
6B 84 1F 6B DD F2 5D 36 36 59 6B 5E D1 28 16 87
6B BA 6B 1D 84 5E 5E 6B 4D D1 3D 5D 6B 5C DD 6B
1D 84 36 7F 6B B2 6B CA 5D 36 36 5D F2 6B 5D 28
4D F2 59 DD 36 84 D1 28 6B 1F 7F 5D 3D 5D 6B B2
28 59 6B 1F D1 D1 28 87 6B CC D1 5C F2 6B 1F D1
5E 5C 36 84 D1 28 6B 84 1F A7 6B B2 DD 91 5E F2
5D F2 84 B2 28 7F 7F 87