Percolate Up
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14
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9
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8
10
6
7
5
4
2
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20
14
12
9
11
8
?
6
7
5
4
2
10
20
14
12
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11
8
5
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7
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4
2
10
20
14
12
9
11
8
5
6
7
3
4
2
10
3
3
3
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