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Gathering all his concentration into a bubble, Fayblup began to ponder the "riddle." For a few minutes, he remained motionless, and someone might think he looked more thoughtful than usual. But in reality, he always looks thoughtful, if you know what thoughtful jelly looks like. At one point, bubbles began to appear and burst on the liquid substance, almost like in boiling water. One might think that the slug's brain was boiling from diligence, but in fact, Fayblup was simply humming, thereby concentrating even more.
- Burn it, - he said, finishing his contemplation. - Or chop it into pieces.