20
19
19
1
1
1
1
1
1
1
1
1
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
0
0
0
0
1
1
1
1
1
2
2
2
4
5
5
5
5
2
5
6
4
3
3
3
3
2
2
2
2
2
3
3
3
3
3
3
3
3
2
2
2
2
2
4
4
5
5
5
5
5
7
7
8
8
9
7
7
7
8
8
8
8
8
8
8
8
8
7
7
7
7
7
8
11
10
10
10
10
10
10
10
10
10
10
10
13
14
14
14
15
15
15
15
16
17
18
19
20
19
19
18
18
18
18
18
19
20
20
20
20
20
20
20
20
20
19
19
18
18
18
19
19
18
16
16
14
14
14
14
14
14
15
15
15
16
16
17
17
15
15
14
14
14
12
12
12
12
12
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
12
15
15
15
15
15
16
17
18
18
19
19
19
19
20
20
20
20
20
20
20
20
20
20
20
20
19
19
19
18
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
5
5
9
9