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.

98 33 3F 1E C4 2F EA B6 F6 2F EA 3D 33 3F A9 8B
80 3B 93 3D A9 80 33 3F C3 80 DB 2F A9 80 93 2F
C4 25 C3 C4 65 80 0D B6 EA 80 A7 33 B6 80 1E 33
EA 80 3D EA 8B 80 8D C3 C4 A7 80 DB C3 F6 F6 80
25 33 3F C3 80 24 C3 F6 F6 33 DB 80 93 2F 8A AE
C3 C4 8B 80 3B 93 C3 80 EB C4 33 0D F6 C3 7F 80
DB 3D EA 93 80 EA 93 3D A9 80 8A 3D EB 93 C3 C4
80 3D A9 80 EA 93 2F EA 80 EA 93 C3 80 AE C3 A7
80 3D A9 80 EB C4 C3 EA EA A7 80 F6 33 3F 1E 8B
80 6A 80 DB 3D F6 F6 80 8A 33 7F C3 80 B6 EB 80
DB 3D EA 93 80 2F 80 0D C3 EA EA C3 C4 80 C3 3F
8A C4 A7 EB EA 3D 33 3F 80 A9 93 C3 7F C3 80 2F
3F A7 80 A9 33 33 3F 8B 80 47 33 B6 C4 80 A9 33
F6 B6 EA 3D 33 3F 80 3D A9 68 80 F6 F6 8A 33 C4
3D A9 EB C3 3F 3F 3D 8B