Thanks for the reply! I think I understand how it works now :)
I was going under the assumption that it was a 1:1 kind of thing with villages and corn, so I was confused why A and B for instance didn't count as saved, since they each had a corn. So for all the villages within a clearing, there has to be an equal amount of corn for any of them to count as saved?
On another note, I think a useful feature to add to this would be a 'restart' button, or perhaps some kind of level system. Then again, the simplicity in the lack of levels is part of why I'm so drawn to this game lol :)