BIFID CIPHER
TYPE : Substitution
Cipher : First column and first row contains numbers while the rest is letters.
Example :
1 2 3 4 5
1|A|B|C|D|E|
2|F|G|H|I|K|
3|L|M|N|O|P|
4|Q|R|S|T|U|
5|V|W|X|Y|Z|Cipher text : 3,2,3,4,3,3,4,3,4,4,1,5,4,2 or 1
Cipher text : 32 34 33 43 44 15 42
Plaintext : MONSTER
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A/N : READ AND LEARN!
![](https://img.wattpad.com/cover/156499539-288-k423597.jpg)