t=main title
t=section 1 titlep=paragraph 1p=paragraph 2p=paragraph 3
t=section 1.1 titlep=paragraph 1.1p=paragraph 1.2p=paragraph 1.3
t=section 1.1.1 titlep=paragraph 1.1.1p=paragraph 1.1.2
t=section 1.1.1.1 titlep=paragraph 1.1.1.1