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.

1B C8 CD 1E C5 D7 B8 A3 01 D7 B8 CC C8 CD FF CF
EF F2 3E CC FF EF C8 CD A1 EF 76 D7 FF EF 3E D7
C5 D2 A1 C5 12 EF 71 A3 B8 EF 4A C8 A3 EF 1E C8
B8 EF CC B8 CF EF 4B A1 C5 4A EF 76 A1 01 01 EF
D2 C8 CD A1 EF EE A1 01 01 C8 76 EF 3E D7 92 D0
A1 C5 CF EF F2 3E A1 EF EC C5 C8 71 01 A1 F9 EF
76 CC B8 3E EF B8 3E CC FF EF 92 CC EC 3E A1 C5
EF CC FF EF B8 3E D7 B8 EF B8 3E A1 EF D0 A1 4A
EF CC FF EF EC C5 A1 B8 B8 4A EF 01 C8 CD 1E CF
EF 78 EF 76 CC 01 01 EF 92 C8 F9 A1 EF A3 EC EF
76 CC B8 3E EF D7 EF 71 A1 B8 B8 A1 C5 EF A1 CD
92 C5 4A EC B8 CC C8 CD EF FF 3E A1 F9 A1 EF D7
CD 4A EF FF C8 C8 CD CF EF 03 C8 A3 C5 EF FF C8
01 A3 B8 CC C8 CD EF CC FF 22 EF D2 71 71 EE D7
EC D7 01 C5 A1 FF D7 CF