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Your code:
10
-1
0
-2
-1
0
-2
-1
0
-2
-1
0
1
2
0
1
2
0
1
2
0
1
9
-1
0
-2
-1
0
-2
-1
0
-2
-1
0
1
2
0
1
2
0
1
2
0
1
8
-1
0
-2
-1
0
-2
-1
0
-2
-1
0
1
2
0
1
2
0
1
2
0
1
7
-1
0
-2
-1
0
-2
-1
0
-2
-1
0
1
2
0
1
2
0
1
2
0
1
6
-1
0
-2
-1
0
-2
-1
0
-2
-1
0
1
2
0
1
2
0
1
2
0
1
5
-1
0
-2
-1
0
-2
-1
0
-2
-1
0
1
2
0
1
2
0
1
2
0
1
4
-1
0
-2
-1
0
-2
-1
0
-2
-1
0
1
2
0
1
2
0
1
2
0
1
3
-1
0
-2
-1
0
-2
-1
0
-2
-1
0
1
2
0
1
2
0
1
2
0
1
2
-1
0
-2
-1
0
-2
-1
0
-2
-1
0
1
2
0
1
2
0
1
2
0
1
1
-1
0
-2
-1
0
-2
-1
0
-2
-1
0
1
2
0
1
2
0
1
2
0
1
0
-1
0
-2
-1
0
-2
-1
0
-2
-1
0
1
2
0
1
2
0
1
2
0
1
-1
-1
0
-2
-1
0
-2
-1
0
-2
-1
0
1
2
0
1
2
0
1
2
0
1
-2
-1
0
-2
-1
0
-2
-1
0
-2
-1
0
1
2
0
1
2
0
1
2
0
1
-3
-1
0
-2
-1
0
-2
-1
0
-2
-1
0
1
2
0
1
2
0
1
2
0
1
-4
-1
0
-2
-1
0
-2
-1
0
-2
-1
0
1
2
0
1
2
0
1
2
0
1
-5
-1
0
-2
-1
0
-2
-1
0
-2
-1
0
1
2
0
1
2
0
1
2
0
1
-6
-1
0
-2
-1
0
-2
-1
0
-2
-1
0
1
2
0
1
2
0
1
2
0
1
-7
-1
0
-2
-1
0
-2
-1
0
-2
-1
0
1
2
0
1
2
0
1
2
0
1
-8
-1
0
-2
-1
0
-2
-1
0
-2
-1
0
1
2
0
1
2
0
1
2
0
1
-9
-1
0
-2
-1
0
-2
-1
0
-2
-1
0
1
2
0
1
2
0
1
2
0
1
-10
-1
0
-2
-1
0
-2
-1
0
-2
-1
0
1
2
0
1
2
0
1
2
0
1
-10
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
2
3
4
5
6
7
8
9
10
Goal:
10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
8
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
7
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
6
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-6
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-7
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-8
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-9
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-10
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
2
3
4
5
6
7
8
9
10