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.

C6 4C FC EE 7D BF 2A 39 E2 BF 2A CF 4C FC 19 51
ED 40 B4 CF 19 ED 4C FC 26 ED 9D BF 19 ED B4 BF
7D 63 26 7D BA ED 21 39 2A ED AB 4C 39 ED EE 4C
2A ED CF 2A 51 ED 3C 26 7D AB ED 9D 26 E2 E2 ED
63 4C FC 26 ED CA 26 E2 E2 4C 9D ED B4 BF D4 EC
26 7D 51 ED 40 B4 26 ED 0B 7D 4C 21 E2 26 D6 ED
9D CF 2A B4 ED 2A B4 CF 19 ED D4 CF 0B B4 26 7D
ED CF 19 ED 2A B4 BF 2A ED 2A B4 26 ED EC 26 AB
ED CF 19 ED 0B 7D 26 2A 2A AB ED E2 4C FC EE 51
ED 89 ED 9D CF E2 E2 ED D4 4C D6 26 ED 39 0B ED
9D CF 2A B4 ED BF ED 21 26 2A 2A 26 7D ED 26 FC
D4 7D AB 0B 2A CF 4C FC ED 19 B4 26 D6 26 ED BF
FC AB ED 19 4C 4C FC 51 ED AE 4C 39 7D ED 19 4C
E2 39 2A CF 4C FC ED CF 19 C2 ED FC E2 FC 21 D4
63 CA BF 19 7D 26 CF 51