cp/codeforces/991/g.in
2025-01-30 17:06:38 -05:00

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6
2
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5
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3 5
4
1 2
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3 4
5
2 1
3 1
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6
2 1
3 1
4 1
5 3
6 3
6
2 1
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4 2
5 3
6 4