Petals around the Rose 
If you've not seen it before have a look http://www.borrett.id.au/computing/petals-j.htm
Handy if you're bored at work. Don't cheat and if you figure it out pls dont post the answer here, let the others sweat.
If you've not seen it before have a look http://www.borrett.id.au/computing/petals-j.htm