In this article we use (finite state) automatons to count
698,438,863,898,480,640 passwords in a couple milliseconds.
Syncro is a beautiful game where you have to unite all the petals
in a single flower.
In how many moves can you do it?
Russian mathematician Grigori Perelman refused a $1,000,000 prize after solving one of the seven Millenium Prize Problems.