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.

71 26 ED 4E 02 48 59 C1 84 48 59 79 26 ED 4A 67
BC AE B2 79 4A BC 26 ED 6B BC 7E 48 4A BC B2 48
02 CE 6B 02 24 BC 62 C1 59 BC 01 26 C1 BC 4E 26
59 BC 79 59 67 BC B4 6B 02 01 BC 7E 6B 84 84 BC
CE 26 ED 6B BC DA 6B 84 84 26 7E BC B2 48 78 FD
6B 02 67 BC AE B2 6B BC 76 02 26 62 84 6B FC BC
7E 79 59 B2 BC 59 B2 79 4A BC 78 79 76 B2 6B 02
BC 79 4A BC 59 B2 48 59 BC 59 B2 6B BC FD 6B 01
BC 79 4A BC 76 02 6B 59 59 01 BC 84 26 ED 4E 67
BC 39 BC 7E 79 84 84 BC 78 26 FC 6B BC C1 76 BC
7E 79 59 B2 BC 48 BC 62 6B 59 59 6B 02 BC 6B ED
78 02 01 76 59 79 26 ED BC 4A B2 6B FC 6B BC 48
ED 01 BC 4A 26 26 ED 67 BC 07 26 C1 02 BC 4A 26
84 C1 59 79 26 ED BC 79 4A D8 BC 48 76 CE 84 02
6B 02 79 48 ED B2 B2 67