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.

FB 91 43 2B 2C 15 B1 B4 87 15 B1 07 91 43 1A 7E
64 DC 96 07 1A 64 91 43 24 64 DF 15 1A 64 96 15
2C 3B 24 2C 61 64 B2 B4 B1 64 23 91 B4 64 2B 91
B1 64 07 B1 7E 64 4A 24 2C 23 64 DF 24 87 87 64
3B 91 43 24 64 AE 24 87 87 91 DF 64 96 15 46 BB
24 2C 7E 64 DC 96 24 64 CD 2C 91 B2 87 24 CF 64
DF 07 B1 96 64 B1 96 07 1A 64 46 07 CD 96 24 2C
64 07 1A 64 B1 96 15 B1 64 B1 96 24 64 BB 24 23
64 07 1A 64 CD 2C 24 B1 B1 23 64 87 91 43 2B 7E
64 F3 64 DF 07 87 87 64 46 91 CF 24 64 B4 CD 64
DF 07 B1 96 64 15 64 B2 24 B1 B1 24 2C 64 24 43
46 2C 23 CD B1 07 91 43 64 1A 96 24 CF 24 64 15
43 23 64 1A 91 91 43 7E 64 8C 91 B4 2C 64 1A 91
87 B4 B1 07 91 43 64 07 1A 51 64 15 CD 3B 87 2C
24 2C 07 15 43 96 96 7E