Separated Forum groups

Hi all

I have just successfully managed to edit some templates to separate the forum groups on the main page , (courtesy of a tutorial by , I believe, Xiphoid?).

Now, I need to identify the beginning and end of each "block" to try something else that is not in that excellent tutorial.

The templates involved in the first edit to separate the blocks were:
forumhome
forumhome_forumbit_level1_nopost
forumhome_forumbit_level0_nopost

I have Identified that the table starts in:
forumhome_forumbit_level1_nopost by placing some test "text" in a cell of the table but cant seem to get the other end

Can anyone point me in the right direction please?