But the expected and got are the same, isn't it?

At first I used

buddy(S, L) -> buddy(lists:seq(S, L)).
buddy([])->{-1,-1};
buddy([X|T])->......

and it keeps timing out.

Now I have no wonder.

Expected: <span class="active">HOME</span> - instead got: <span class="active">HOME</span> -

This is the error message of my submit, I literally cannot get any useful information of it. Begging hints

ohhhh that's DIRTY

That's dirrrrrrty((((((