I guess you are done with Caesar I, aren't you?
The big problem with caesar is that it does not allow digits or other characters.
I have fixed this, and now I can use any ascii character in the plaintext.
The keyspace has increased from 26 to 128 too. \o/

Enjoy!

0B 33 33 28 20 2E 33 26 70 20 3D 33 39 20 37 33
30 3A 29 28 20 33 32 29 20 31 33 36 29 20 27 2C
25 30 30 29 32 2B 29 20 2D 32 20 3D 33 39 36 20
2E 33 39 36 32 29 3D 72 20 18 2C 2D 37 20 33 32
29 20 3B 25 37 20 2A 25 2D 36 30 3D 20 29 25 37
3D 20 38 33 20 27 36 25 27 2F 72 20 1B 25 37 32
6B 38 20 2D 38 03 20 75 76 7C 20 2F 29 3D 37 20
2D 37 20 25 20 35 39 2D 38 29 20 37 31 25 30 30
20 2F 29 3D 37 34 25 27 29 70 20 37 33 20 2D 38
20 37 2C 33 39 30 28 32 6B 38 20 2C 25 3A 29 20
38 25 2F 29 32 20 3D 33 39 20 38 33 33 20 30 33
32 2B 20 38 33 20 28 29 27 36 3D 34 38 20 38 2C
2D 37 20 31 29 37 37 25 2B 29 72 20 1B 29 30 30
20 28 33 32 29 70 20 3D 33 39 36 20 37 33 30 39
38 2D 33 32 20 2D 37 20 31 31 2A 28 31 2C 32 26
26 29 25 2A 72