Step 2:
(5) Insert one of side of beam for big roof (B) into the hole of top connection (A). (Fig.5)
(6) Spread the small canopy (R) and large canopy (S), don't spread the large canopy fully at this time (Fig.6)
(7) Screw beam of big roof (B) and post1 (E1), post 2 (E2), post 3 (E3), post 4 (E4) with bolts (EE), nuts (GG).
(Fig7)