The front wheel of a vehicle angle parked at a curb shall touch the curb immediately in front of such vehicle. Such a vehicle shall be parked in such a manner that the entire width of such vehicle is located within the stall or parking space designated by such lines; provided, however, that no vehicle the overall length of which exceeds twenty feet shall angle park. All angle parking, including center-street angle parking, shall be head-in parking unless otherwise signed, or marked or authorized by permit. (Ord. 2735 § 2 (part), 1983).