4
0
4
4
2
2
0
2
0
0
0
2
4
0
0
0
0
0
2
21
2
2
2
0
0
10
10
21
8
6
10
0
0
2
8
8
0
2
0
14
8
0
2
2
10
23
8
4
6
2
2
6
0
8
4
6
6
2
2
0
2
4
0
0
4
0
0
0
0
0
0
2
0
0
0
0
2
6
0
0
4
2
2
2
2
0
0
0
0
0
0
2
0
2
2
0
2
0
4
6
0
0
0
2
4
0
6
0
4
6
2
4
13
2
2
2
4
0
2
14
2
0
19
0
4
11
4
2
0
17
2
0
12
0
0
0
2
0
12
15
4
0
13
0
2
21
22
0
0
0
2
2
14
4
2
19
4
0
2
6
2
14
2
2
8
0
4
2
16
2
4
16
0
9
0
0
18
2
4
4
16
2
0
12
0
2
6
14
8
15
13
2
2
16
0
0
6
0
4
12
0
0
15
0
4
2
16
0
11
2
0
0
15
2
0
12
2
2
15
0
4
2
0
2
0
13
2
0
13
0
0
15
0
2
12
0
0
13
4
0
2
6
4
2
15
0
0
16
4
0
13
2
0
17
12
2
0
0
0
0
13
2
2
19
2
4
6
0
6
26
6
2
21
2
0
4
2
2
4
17
4
4
15
16
2
4
0
0
