I am listed at several sites with very different subjects. None of these sites have the possibility to post at a forum if not registered. You can read but not post.So i would say register if you want ...
Hello i'm new here and i liked this one. I was stucked at pricisely this place. And then i saw at the 5 row a naked quad at c2,c4,c5,c6.So you can place a 9 in r5c9.