When did Klaus back to Mystic Falls in 5x11?

I think that when we saw him in 5.11, in Klaus life has already happened all that we saw in the first 11 episodes of The Originals.

It's like---> 11 episodes of The Originals
Then he goes for 1 day in Mystic Falls.
And then he returns in New Orleans and we see the rest 11 episodes of the show & his life.

I think....