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.

2D E0 9D 39 72 46 18 56 98 46 18 E1 E0 9D C6 67
26 35 F7 E1 C6 26 E0 9D A9 26 1F 46 C6 26 F7 46
72 74 A9 72 B5 26 C4 56 18 26 D7 E0 56 26 39 E0
18 26 E1 18 67 26 77 A9 72 D7 26 1F A9 98 98 26
74 E0 9D A9 26 92 A9 98 98 E0 1F 26 F7 46 16 66
A9 72 67 26 35 F7 A9 26 B6 72 E0 C4 98 A9 F4 26
1F E1 18 F7 26 18 F7 E1 C6 26 16 E1 B6 F7 A9 72
26 E1 C6 26 18 F7 46 18 26 18 F7 A9 26 66 A9 D7
26 E1 C6 26 B6 72 A9 18 18 D7 26 98 E0 9D 39 67
26 D6 26 1F E1 98 98 26 16 E0 F4 A9 26 56 B6 26
1F E1 18 F7 26 46 26 C4 A9 18 18 A9 72 26 A9 9D
16 72 D7 B6 18 E1 E0 9D 26 C6 F7 A9 F4 A9 26 46
9D D7 26 C6 E0 E0 9D 67 26 FF E0 56 72 26 C6 E0
98 56 18 E1 E0 9D 26 E1 C6 65 26 46 B6 74 98 72
A9 72 E1 46 9D F7 F7 67