13
13
12
11
10
9
8
7
7
7
7
5
4
2
2
2
2
3
4
5
6
8
9
9
9
9
9
9
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
3
3
3
3
3
3
13
13
13
15
16
17
18
18
19
19
18
16
16
15
15
15
15
15
15
15
15
15
15
16
16
17
17
18
19
18
16
15
14
14
13
12
12
12
12
13
13
13
13
13
12
12
12
12
12
14
13
13
13
12
12
12
12
12
12
12
12
12
12
12
12
11
11
11
11
10
9
9
9
9
9
9
9
9
9
7
7
7
8
8
9
8
6
6
6
4
2
2
5
5
5
6
6
6
6
7
7
7
8
8
7
7
7
7
7
7
7
7
7
7
7
7
6
6
5
5
5
3
2
2
2
2
2
2
2
3
3
3
3
2
2
2
2
3
3
3
4
4
4
4
4
4
4
4
4
5
5
5
5
6
7
7
7
7
6
5
5
5
5
7
7
7
9
9
4
4
3
3
3
3
2
2
2
2
3
3
3
3
3
9
9
10
11
11
11
11
12