22 lines
109 B
Plaintext
22 lines
109 B
Plaintext
7 10
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1 2
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1 3
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2 4
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3 4
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4 5
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4 6
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5 7
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6 7
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2 5
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3 6
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7 9
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1 2
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1 3
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1 4
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2 4
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3 4
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4 5
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5 6
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5 7
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7 6
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0 0 |