A chance variation led to this one. I like it.
The wallpaper version is available at the preceding link.
Today's Gratitude Item: Finding some fun new apps to use on "my" ipad. I especially like the version of Soduku that was free to download. Having said that, I'm hoping to find similar (better) apps for the Android. It turns out that Geogebra (one of my favourite pieces of Mathematics software) does not work on an iPad but it apparently works on an Android.