video game help thread and also not sure thread

The not sure part is if someone is not sure where to put something or somethings or both it or they or both can go here in this thread instead of in the wrong forum as a thread, threads etc.

Anywho
(dot) = .

I am using (dot) instead of .
to prevent hotlinking
basically I am using (dot) just to be on the safe side.

www(dot)gamefaqs(dot)com/nes/525245-super-mario-bros-3/images/screen-11

In world 8
how do I go into L or T or both please? Thank you.

M is level that Mario can go into that I know of

T is a level [I think it is anyways] that can be gone to

L is a level [I think it is anyways]
that can be gone to

MLMTM