;; Run 5.

;; In C Right Bottom frame, misplaced at Left Top.
(frame-geometry)

(
 (outer-position -9 . 30)
 (outer-size 836 . 447)
 (external-border-size 10 . 10)
 (title-bar-size 0 . 27)
 (menu-bar-external . t)
 (menu-bar-size 0 . 0)
 (tool-bar-external . t)
 (tool-bar-position . top)
 (tool-bar-size 0 . 0)
 (internal-border-width . 0))

;; In 4 Right Bottom frame, correctly placed at Right Bottom.
(frame-geometry)

(
 (outer-position 1181 . 694)
 (outer-size 836 . 447)
 (external-border-size 10 . 10)
 (title-bar-size 0 . 27)
 (menu-bar-external . t)
 (menu-bar-size 0 . 0)
 (tool-bar-external . t)
 (tool-bar-position . top)
 (tool-bar-size 0 . 0)
 (internal-border-width . 0))

;; In main Emacs frame.
(frame-position-list)

(
 (arg
  (name . "1 Left Top")
  (p-left . 40)
  (p-top . 40)
  (left . 31)
  (top . 32)
  (width . 816)
  (height . 400))
 (arg
  (name . "2 Left Bottom")
  (p-left . 40)
  (p-top . -40)
  (left . 31)
  (top . 694)
  (width . 816)
  (height . 400)
  (r-top . -58))
 (arg
  (name . "3 Right Top")
  (p-left . -40)
  (p-top . 40)
  (left . 1181)
  (top . 32)
  (width . 816)
  (height . 400)
  (r-left . -51))
 (arg
  (name . "4 Right Bottom")
  (p-left . -40)
  (p-top . -40)
  (left . 1181)
  (top . 694)
  (width . 816)
  (height . 400)
  (r-left . -51)
  (r-top . -58))
 (par
  (name . "5 Left Top")
  (p-left . 40)
  (p-top . 40)
  (left . 31)
  (top . 32)
  (width . 816)
  (height . 400))
 (par
  (name . "6 Left Bottom")
  (p-left . 40)
  (p-top . -40)
  (left . -9)
  (top . 30)
  (width . 816)
  (height . 400)
  (r-top . -722))
 (par
  (name . "7 Right Top")
  (p-left . -40)
  (p-top . 40)
  (left . -9)
  (top . 30)
  (width . 816)
  (height . 400)
  (r-left . -1241))
 (par
  (name . "8 Right Bottom")
  (p-left . -40)
  (p-top . -40)
  (left . -9)
  (top . 30)
  (width . 816)
  (height . 400)
  (r-left . -1241)
  (r-top . -722))
 (fun
  (name . "9 Left Top")
  (p-left . 40)
  (p-top . 40)
  (left . -9)
  (top . 30)
  (width . 816)
  (height . 400))
 (fun
  (name . "A Left Bottom")
  (p-left . 40)
  (p-top . -40)
  (left . -9)
  (top . 30)
  (width . 816)
  (height . 400)
  (r-top . -722))
 (fun
  (name . "B Right Top")
  (p-left . -40)
  (p-top . 40)
  (left . -9)
  (top . 30)
  (width . 816)
  (height . 400)
  (r-left . -1241))
 (fun
  (name . "C Right Bottom")
  (p-left . -40)
  (p-top . -40)
  (left . -9)
  (top . 30)
  (width . 816)
  (height . 400)
  (r-left . -1241)
  (r-top . -722))
 (display-pixel-height . 1152)
 (display-pixel-width . 2048))