I thought this was a good introduction to that problem of unwinnable configurations. https://www.youtube.com/watch?v=vGIDzGvsrV8 https://www.youtube.com/watch?

I thought this was a good introduction to that problem of unwinnable configurations. https://www.youtube.com/watch?v=vGIDzGvsrV8 https://www.youtube.com/watch?v=vGIDzGvsrV8 Sounds like a good opportunity to dust off those graph algorithms many of us learned in undergrad CS.