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

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