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.

A9 88 1B 10 0F 68 27 66 DB 68 27 E0 88 1B B1 2F
A7 B4 9F E0 B1 A7 88 1B C9 A7 0B 68 B1 A7 9F 68
0F 4D C9 0F 20 A7 38 66 27 A7 BA 88 66 A7 10 88
27 A7 E0 27 2F A7 E2 C9 0F BA A7 0B C9 DB DB A7
4D 88 1B C9 A7 85 C9 DB DB 88 0B A7 9F 68 CB DE
C9 0F 2F A7 B4 9F C9 A7 47 0F 88 38 DB C9 2E A7
0B E0 27 9F A7 27 9F E0 B1 A7 CB E0 47 9F C9 0F
A7 E0 B1 A7 27 9F 68 27 A7 27 9F C9 A7 DE C9 BA
A7 E0 B1 A7 47 0F C9 27 27 BA A7 DB 88 1B 10 2F
A7 3B A7 0B E0 DB DB A7 CB 88 2E C9 A7 66 47 A7
0B E0 27 9F A7 68 A7 38 C9 27 27 C9 0F A7 C9 1B
CB 0F BA 47 27 E0 88 1B A7 B1 9F C9 2E C9 A7 68
1B BA A7 B1 88 88 1B 2F A7 80 88 66 0F A7 B1 88
DB 66 27 E0 88 1B A7 E0 B1 AB A7 C9 38 10 10 DB
88 DB 2E DB 68 CB 9F 2F