"Rookie-2009"

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Round 4
1->4 (since I already played against 3)

2->3
3 and 4 both lose twice and are eliminated
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Here, the question arises: what if 4 wins against 1, and not 1 wins against 4? Then only 3 is eliminated, and 1, 2, and 4 each have one loss, and a cycle is formed: 2>4, 4>1, 1>2. Which of the three goes to the final?