You probably all know this game right? I add an X the next one an O. The next one again an X and the next one again an O and so on. If we got 4 of the same kind connected we got a winner. The one who adds the ''Winning X or O'' is allowed to start over again.
You can't add an O on top of the ''map'' now btw, cuz you insert it at top and it falls down. If you get what i am trying to explain.
It looks like this:

Damn my boredom

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