What is Extreme 1337?
1.
Extreme 1337 is a term used when all the letters are substituted with letters or signs. This is a difficult language to decode because of some letters, like R, have to be two numbers.
7#15 <4// 133 4// 3><4//|*13 0|= 3><7123><3 1337.
(This can be an example of extreme 1337.)
