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0
x  5
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1
x  0
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x  3
4
8
x  1
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1
x  5
6
1
x  2
7
0
x  4
8
3
x  1
9
6
x  1
10
0
x  6
11
0
x  9
12
4
x  1
13
0
x  8
14
1
x  1
15
9
x  1
16
1
x  7
17
7
x  0
18
2
x  0

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