making a range out of item list to be selected for optimization (Karamba Best Support Position Effort)

Hey all,

immediately with no introduction but respectfully,

i wana calculate optimized support position on a supposed waffle ceiling, adapted to Persian Girih's Geometry,

the definition attached here got involved the beams rounded the base module but i cana define the lines of the girih,

here we have 2 question:

1- how can i make a range out of my item list to be checked by galapagos for selecting the best position of supports?

2- what's wrong with my modeling method (as i know there is something i haven't noticed), that it could not define as beams for the base of girih's module?

P.S: the definition has been written by Karamba & also Paneling Tools in some parts

thanks

surface%20subdivision.gh