That phone call she had with Gene. I am trying to figure out exactly where it sits in the time line.. it seems like it was not too long after Saul bolted to Omaha and wasn't "current time" in Omaha (i.e. just after the department store heist)
That happens after the events we'd seen in the Gene timeline, including the mall heist.
From S4E5 ("Quite a Ride"), we know
exactly to the minute when that phone call happened: November 12th, 2010, at 3:01 pm (he was a minute late).
He then drove off, decided that he wanted to talk to Kim, stopped at another pay phone (didn't notice the details here, he may have doubled back to the one he was using). Called for her, it didn't go well[1], kicked out the window of the booth, and then drove off to meet soon afterward with Jeff again.
[1] We don't know much about this call, although I suspect it was an argument, since he appears to be yelling "Kim! Kim!")