Setting up inventory locations (Aisle, Rack, Shelf and Bin)

I am trying to setup our item locations and am struggling to figure it out. Once that is completed I will have to understand how to input this at the item level Ie.. Item # 123456 Goes in Aisle A, Rack 2, Shelf 3, Bin 2. 

We have Aisle / Rack / Shelf / Bin (Designated by a Letter / Number / Number / Number)

We have about

80 different "Aisles"

Up to 10 Racks per aisle

Up to 10 shelf's per rack

Up to 10 bins per shelf

Any help would be greatly appreciated.