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6 4

4 2

2 2

2 2

2 2

2 2

2 2

2 2

2 2

2 2

2 2

3 2

2 2

2 2

3 3

2 2

2 2

2 2

2 2

2 2

2 2

2 2

2 2

2 2

2 2

2 2

2 2

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