new_client 1 x11 create 1/1 override show 1/1 create 1/2 set_parent 1/2 1 show 1/2 create 1/3 set_parent 1/3 2 show 1/3 new_client 2 x11 create 2/1 show 2/1 create 2/2 override set_parent 2/2 1 show 2/2 create 2/3 set_parent 2/3 2 show 2/3 new_client 3 x11 create 3/1 override show 3/1 create 3/2 override set_parent 3/2 1 show 3/2 create 3/3 override set_parent 3/3 2 show 3/3