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10 questions
2
2
5
-7
1
3
5
8
4
7
-6
3
-1
5
1
9
8
4
4
5
-9
3
5
4
9
7
8
4
-3
7
-5
1
4
5
9
2
9
-4
1
3
-3
-5
1
3
6
9
3
6
-7
-1
8
-4
6
5
4
7
7
2
-5
-3
1
5
4
6
5
7
1
7
-3
2
2
-5
6
4
7
5
7
2
-8
5
2
1
9
4
8
2
4
5
-3
2
-5
1
2
1
4
3
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