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.

E7 31 9B 7A 88 4E 63 1A AA 4E 63 C5 31 9B 23 AF
53 6E 94 C5 23 53 31 9B 65 53 80 4E 23 53 94 4E
88 01 65 88 81 53 DE 1A 63 53 BC 31 1A 53 7A 31
63 53 C5 63 AF 53 F0 65 88 BC 53 80 65 AA AA 53
01 31 9B 65 53 85 65 AA AA 31 80 53 94 4E B0 28
65 88 AF 53 6E 94 65 53 2B 88 31 DE AA 65 F6 53
80 C5 63 94 53 63 94 C5 23 53 B0 C5 2B 94 65 88
53 C5 23 53 63 94 4E 63 53 63 94 65 53 28 65 BC
53 C5 23 53 2B 88 65 63 63 BC 53 AA 31 9B 7A AF
53 FE 53 80 C5 AA AA 53 B0 31 F6 65 53 1A 2B 53
80 C5 63 94 53 4E 53 DE 65 63 63 65 88 53 65 9B
B0 88 BC 2B 63 C5 31 9B 53 23 94 65 F6 65 53 4E
9B BC 53 23 31 31 9B AF 53 D6 31 1A 88 53 23 31
AA 1A 63 C5 31 9B 53 C5 23 0D 53 4E 2B 01 AA 88
65 88 C5 4E 9B 94 94 AF