1,2) Align upper panel (#12) to the holes of the posts (#1,2).
Secure by using bolts (#A).
3) Align bottom frame
(#14) to the holes of the
posts (#1,2). Secure by
using bolts (#G).
4) Align long ladder (#19) to the
holes of the upper panel (#12) and
bottom frame (#14). Secure by
using bolts (#C).
5) Align long ladder (#19) to
the holes of the post (#1), then
secure by using bolts (#B).