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2
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1
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1
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2
8
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7
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2
6
6
8
8
11
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12
10
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6
10
6
14
9
8
8
9
8
16
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11
16
12
10
14
13
9
13
19
15
13
8
15
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17
14
13
12
14
10
14
14
13
10
4
16
13
7
14
12
10
7
18
8
14
4
7
9
10
5
5
9
7
6
3
3
6
4
3
4
3
2
2
0
1
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3
1
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2
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2
1
3
2
0
2
1
2
0
3
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1
1
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2
2
0
0
2
1
1
4
2
0
0
1
2
1
2
1
2
1
2
2
0
2
4
3
0
1
1
2
1
2
2
4
1
2
1
0
3
1
1
1
0
0
1
3
2
0
1
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1
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3
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1
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1
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0
1
0
0
0
1
0
0
0
1
2
0
0
0
1
0
2
0
0
0
1
0
0
0
1
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0
0
0
0
0
0
0
1
1
0
1
0
0
0
1
0
0
1
0
1
1
0
2
0
1
1
0
0
0
1
0
0
0
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0
1
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0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
1
2
0
0
0
0
1
1
0
0
0
0
0
0
1
0
2
1
0
1
0
2
0
0
0
1
0
1
0
1
0
1
0
0
2
0
1
0
0
0
1
1
0
0
1
0
1
0
0
0
1
1
0
1
1
0
0
1
0
1
0
2
0
0
0
0
1
0
0
1
2
0
0
1
2
0
1
0
0
0
2
0
3
2
0
1
3
2
5
0
0
1
2
4
1
0
1
1
0
0
2
0
2
2
2
1
2
0
2
0
1
1
0
1
4
2
0
1
2
0
2
4
2
1
2
5
3
4
2
3
1
4
0
2
5
1
2
1
6
2
3
5
6
2
4
3
3
4
3
3
4
4
5
2
4
3
3
4
0
6
6
3
5
4
5
3
5
5
8
1
2
5
9
3
2
3
5
3
2
4
4
2
6
3
7
8
6
4
4
8
5
8
9
9
7
9
5
6
2
6
7
5
7
7
8
10
10
5
16
8
5
12
7
10
9
8
19
13
12
17
16
15
23
17
17
14
15
18
18
22
18
21
28
20
26
22
25
32
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