The two blocks are in the midst of forming right now. The situation cani still be fluid. Earlier Saudi Arabia was lined up with the Egypt block (along with Israel). I kind of believe that will stick.
But, I think it will require some time to assess how these blocks will form. I think the “pivot point” centers around Iran, though. We’ll see ...
It has been said both Qatar and the Saudi royals are supporting ISIS in Iraq. Looks like the Saudis are playing all ends of the candle, with fire, while we (the U.S.) holds the candle.