Excellent walkaround pictures can be found here:
https://yf-23.webs.com/menu.html (PAV-2)
http://nabe3saviation.web.fc2.com/waYF23.html
INTRADOS
Note: the rectangular hole above is where the flat losange vent with louvres goes (not the curve losange grill which goes on the extrados)
Extrados
Note that the alignement of the intrados hexagonal parts is the same: arrow sharp angle pointing forward, wide angle facing outwards