4
2



1
1
2



7
1
4


1
2
1
3


1
2
7
3


2
1
1
0


2
9
0
6


3
8
5
6


5
4
0
0


5
4
6
6


6
8
3
0


6
9
3
9


7
7
1
3


8
0
7
5


8
2
2
0

1
0
3
1
0

1
2
0
4
1

1
3
2
3
7

1
3
3
3
5

1
4
4
1
3

1
4
5
3
7

1
5
1
6
9

1
5
5
3
3

1
5
8
0
6

1
6
1
7
1

1
6
5
0
9

2
0
9
4
0

2
1
3
2
0

2
2
8
2
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2
5
4
4
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2
6
4
1
5

3
1
0
8
4

3
1
1
2
2

3
2
9
3
4

3
4
2
4
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3
4
5
0
5

3
5
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2
6

3
6
6
9
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3
9
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9
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3
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1
2
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3
9
3
1
9

4
1
0
7
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4
1
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1
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4
2
2
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4
2
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4
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4
3
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6

4
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4
4
2
1
2

4
7
7
2
0

4
7
9
4
2

4
9
5
6
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6
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3
3
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6
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0
5
9

6
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9

6
2
4
5
5
1
9
7
8
5
3
1
9
9
2
5
6
2
0
0
0
0
5
2
0
0
5
6
2
2
0
6
7
2
3
2
0
7
0
4
4
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