Jack points for floor replacement

[wwwcad]

Hi Folks,
I've posted before about this, but I'm still not clear just where is it best to jack/brace my 912 before removing the old floor plans. As I look at the undecarriage, there really aren't many good places to jack this thing up in a solid fashion so there isn't movement or twisting after a section of floor pan is removed.

Can anyone give me a guide as to the best places to jack this thing up to assure it's stable while I remove and replace floor pans???

Thanks!