After seeing the single square I just knew this was going to work!!!
SO, here's a group of four. I LOVE the way the four SR's join together hey diddle diddle right in the middle. That's a bonus. Also those pesky side green rings meet nicely too. This is beginning to look NOT a lot like the original square which I've put below mine.
BUT I'm now not happy with it again. I think it 'needs' an edging to go round it so let's go call on BC3 to see what he can come up with!!!!