8
8
8
8
7
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
8
8
8
8
8
8
8
8
8
8
8
8
8
8
7
7
7
7
7
7
7
7
8
8
8
8
8
8
8
8
8
8
8
8
9
9
9
9
9
9
9
9
8
8
8
8
8
8
8
9
9
9
9
9
9
9
9
9
10
11
10
10
11
10
10
9
9
9
16
21
20
10
9
8
8
8
8
8
8
8
8
8
9
9
5
5
4
4
4
4
4
6
4
4
4
4
3
3
3
1
1
1
1
1
1
1
1
1
1
6
6
6
6
5
5
5
4
4
4
3
2
2
2
2
2
2
2
2
0
0
0
0
0
0
1
1
0
1
1
1
1
1
1
1
1
2
2
2
1
1
1
1
1
1
2
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
0
0
0
0
0
0
0
0
0
0
0
0
2
3
3
3
3
3
3
3
3
3
2
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
1
1
1
1
1
1
1
1
1
2
2
2
2
2
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
3
3
2
2
2
2
2
2
2
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
1
1
2
2
2
2
2
1
1
1
1
0
0
1
1
2
1
4
5
6
6
7
11
11
8
2
1
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
0
0
0
1
1
2
2
2
2
3
3
3
1
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
3
3
3
3
2
2
2
2
2
4
5
5
4
2
2
2
1
0
4
3
2
1
1
0
0
0
0
0
1
0
0
0
1
1
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
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
0
0
0
0
0
1
0
1
0
0
0
0
2
1
1
1
0
0
0
1
2
1
2
2
2
2
2
2
2
2
2
3
4
8
2
2
2
2
2
2
2
1
1
2
3
2
2
2
1
1
1
1
2
3
4
4
4
3
3
3
3
3
3
3
3
4
6
6
6
7
7
7
7
7
7
8
8
11
12
13
14
17
20
20
19
18
17
17
14
13
13
13
13
13
14
14
14
14
14
14
14
14
14
12
10
9
9
8
8
8
8
7
6
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
8
8
8
7
7
6
6
6
6
6
6
6
6
7
7
7
7
7
8
8
8
8
8