e----------------------------------11- e-------11-------9-----8-------------| b-9-8-9----9-8-9----9-8-9----9-8-9---- b-9-8-9----9-9-9---9-9---9-9---9-8-9-| g-------10-------10-------10----------x3g----------------------------10------| d------------------------------------- d------------------------------------| a------------------------------------- a------------------------------------| e------------------------------------- e------------------------------------|