From the timer cycle time is equal to 40 minutes per container by A 1 (Afternoon round 1) takes the most because these unload tires in the Dock 7 . Dock 7 is backup dock for unload tires because Dock 1 has break and keep tires to sas 2 . While M1 (Morning round 1) takes less time because these tires in the dock 2 and keep tires to sas 1.