00
3
7
5
X
6
5
7
X
3
4
6
7
4
5
00
5
X
3
5
9
2
4
3
X
2
4
7
6
3
4
2
00
X
9
2
7
3
X
6
2
00
9
5
6
9
00
5
4
7
2
5
00
6
7
9
X
7
X
4
3
6
2
X
6
X
3
2
4
X
00
6
9
X
3
9
2
7
00
X
9
4
3
2
5
9
2
4
5
7
7
5
2
6
00
9
2
9
2
7
4
5
4
9
6
7
00
2
4
3
X
2
00
2
3
00
4
5
00
3
9
6
4
00
7
5
6
9
2
X
5
3
6
2
3
X
4
00
X
00
6
3
3
X
00
9
X
2
4
9
7
5
2
X
3
4
7
5
2
6
00
7
6
00
9
4
X
3
5
7
2
6
00
2
4
X
2
00
6
7
4
6
6
7
2
4
6
X
00
6
5
5
4
3
7
00
5
6
4
2
7
00
X
9
3
3
X
6
4
X
7
2
9
00
6
X
9
3
6
00
7
9
6
2
3
3
X
5
7
5
6
X
X
3
4
X
00
9
9
5
9
7
3
4
00
7
3
X
5
00
2
X
4
3
7
6
4
00
9
3
5
2
X
3
4
7
9
答案:1、
7
6
1
9
3
4
8
2
5
3
5
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