I did, to the best of my data, give you the LRU cache thought. One of the best ways to think of it's: each time you see ? An FSM is at all times in exactly one state at a time. One state is marked as the beginning state and zero or extra states are marked as remaining states. If we apply these inputs to the machine above, then Cauchy will transfer by means of the following states so as: "asleep," "eating," "hiding," "eating," "litter field.