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.

92 B0 66 BB 37 26 E5 24 0A 26 E5 28 B0 66 C0 5A
10 5B 13 28 C0 10 B0 66 D3 10 0C 26 C0 10 13 26
37 EF D3 37 B7 10 ED 24 E5 10 B8 B0 24 10 BB B0
E5 10 28 E5 5A 10 30 D3 37 B8 10 0C D3 0A 0A 10
EF B0 66 D3 10 93 D3 0A 0A B0 0C 10 13 26 4F 70
D3 37 5A 10 5B 13 D3 10 B6 37 B0 ED 0A D3 77 10
0C 28 E5 13 10 E5 13 28 C0 10 4F 28 B6 13 D3 37
10 28 C0 10 E5 13 26 E5 10 E5 13 D3 10 70 D3 B8
10 28 C0 10 B6 37 D3 E5 E5 B8 10 0A B0 66 BB 5A
10 71 10 0C 28 0A 0A 10 4F B0 77 D3 10 24 B6 10
0C 28 E5 13 10 26 10 ED D3 E5 E5 D3 37 10 D3 66
4F 37 B8 B6 E5 28 B0 66 10 C0 13 D3 77 D3 10 26
66 B8 10 C0 B0 B0 66 5A 10 2F B0 24 37 10 C0 B0
0A 24 E5 28 B0 66 10 28 C0 12 10 93 BB 66 66 28
93 77 26 0A ED 26 26 5A