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.

48 E0 C4 4E F7 18 13 69 F6 18 13 59 E0 C4 FF FD
4B BE 79 59 FF 4B E0 C4 B6 4B D5 18 FF 4B 79 18
F7 1E B6 F7 DA 4B 63 69 13 4B 7F E0 69 4B 4E E0
13 4B 59 13 FD 4B 82 B6 F7 7F 4B D5 B6 F6 F6 4B
1E E0 C4 B6 4B 6A B6 F6 F6 E0 D5 4B 79 18 15 E4
B6 F7 FD 4B BE 79 B6 4B BF F7 E0 63 F6 B6 2B 4B
D5 59 13 79 4B 13 79 59 FF 4B 15 59 BF 79 B6 F7
4B 59 FF 4B 13 79 18 13 4B 13 79 B6 4B E4 B6 7F
4B 59 FF 4B BF F7 B6 13 13 7F 4B F6 E0 C4 4E FD
4B 72 4B D5 59 F6 F6 4B 15 E0 2B B6 4B 69 BF 4B
D5 59 13 79 4B 18 4B 63 B6 13 13 B6 F7 4B B6 C4
15 F7 7F BF 13 59 E0 C4 4B FF 79 B6 2B B6 4B 18
C4 7F 4B FF E0 E0 C4 FD 4B F9 E0 69 F7 4B FF E0
F6 69 13 59 E0 C4 4B 59 FF D2 4B 18 BF 1E F6 F7
B6 F7 59 18 C4 79 79 FD