insert r_r          -1 -20 3 4
  insert rec        7 -8 1 3
insert virtual_rec0 1 1 0 0
insert virtual_REC0 0 0 11 0
insert inExistRec_0 1 1 -1 -2

 regionsearch   11 11                 0 0

intersections

dump

search r_r

remove r_r
remove 1 1 0 0
	
regionsearch   -5 -5 20 20