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.

F9 73 FC EB C2 5B E4 6B 52 5B E4 89 73 FC 5A 24
3F AE 9B 89 5A 3F 73 FC 3A 3F 58 5B 5A 3F 9B 5B
C2 31 3A C2 1F 3F 2F 6B E4 3F 2E 73 6B 3F EB 73
E4 3F 89 E4 24 3F CE 3A C2 2E 3F 58 3A 52 52 3F
31 73 FC 3A 3F B5 3A 52 52 73 58 3F 9B 5B A8 33
3A C2 24 3F AE 9B 3A 3F 98 C2 73 2F 52 3A BF 3F
58 89 E4 9B 3F E4 9B 89 5A 3F A8 89 98 9B 3A C2
3F 89 5A 3F E4 9B 5B E4 3F E4 9B 3A 3F 33 3A 2E
3F 89 5A 3F 98 C2 3A E4 E4 2E 3F 52 73 FC EB 24
3F 65 3F 58 89 52 52 3F A8 73 BF 3A 3F 6B 98 3F
58 89 E4 9B 3F 5B 3F 2F 3A E4 E4 3A C2 3F 3A FC
A8 C2 2E 98 E4 89 73 FC 3F 5A 9B 3A BF 3A 3F 5B
FC 2E 3F 5A 73 73 FC 24 3F 09 73 6B C2 3F 5A 73
52 6B E4 89 73 FC 3F 89 5A 6A 3F 5B 98 31 52 C2
3A C2 89 5B FC 9B 9B 24