PC Guy is correct here. If you had side by side, the cabin steward could lock the divider in the "open" position. But you could not open and close it as you choose and since you have other passengers in between your cabin, I doubt you could get the to all agree to have the dividers open (since then somone could walk right into their cabin from the baclony or walk by and look in..
Carnival Cruise Lines:
Fantasy 90, Celebration 95, Victory 05, Conquest 05, Spirit 6/06, Freedom 6/08, Holiday 7/08, Victory 6/09, Valor 9/09, Dream 6/10, Splendor 8/10,Conquest 8/11,Magic 11/11,Triumph 4/12,Spirit 7/12,Freedom 11/12, Triumph 2/13 - The fire cruise, Magic 1/14
NCL Dream October 2006, RCCL Mariner OTS June 2007, Celebrity Silhouette 2013