Thank you very much.
If tried to use your commands a couple of times but i think "move to top" / "move to bottom" gives other results than "draworder back/front"
Anyway, this works for me now.
(command "draworder" (ssget "_X" (list '(0 . "VIEWPORT") (cons 410 (getvar 'ctab)) '(-4 . "<>") '(69 . 1))) "" "back")