Years ago, there was a small kingdom, in which there was a king. His daughter was so beautiful, that people around the world went there to marry her. But the king would allow the most clever man to be married with his daughter. So, he set a riddle and told it to every possible groom. The riddle was the following:
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The task of them was to feel the fifth row with the dots. Does anybody know the answer to this riddle? Good luck!