Common patterns:
-
A->1, B->2, …,
Z->26 (or other general substitution ciphers)
-
Morse
-
Semaphore
-
Indexing
(forward and backwards and diagonal)
-
Binary
-
8 bit (ASCII)
-
4 bit (A->1, etc)
-
3 bit (Braile, digits)
-
1 bit (true/false)
-
ASCII Range (65
== A -> 97 == a)
-
Add/Remove/Change a letter
-
Group words
-
Braile
|
Other Possibilities:
-
10 digits: phone#s w/area code
-
9 digits: Social Security
-
7 digits: phone#s
-
5 digits: zip
codes (or MS extensions)
-
3 digits: area codes (or degrees or interstates)
-
2-3 digits: MS buildings (no 7)
-
2/4/6 digits: Dates
-
Things in various bases (Hex, binary, octal)
-
Prime numbers
- [NOTE:
remember to normalize based on the boundaries]
|