0
2
2
2
2
2
0
0
0
4
0
4
2
4
2
0
18
2
4
2
2
0
2
0
2
4
6
8
0
2
0
4
2
2
2
0
0
6
8
2
6
6
4
6
4
2
2
2
4
4
4
4
6
6
2
0
0
0
2
2
2
2
2
4
2
6
4
2
6
4
2
4
2
4
2
0
4
6
0
6
2
4
4
2
4
2
2
2
2
0
0
2
4
2
2
6
0
2
0
2
2
4
4
6
4
0
4
2
6
0
2
12
2
2
22
2
2
4
20
2
4
0
16
8
8
0
0
2
6
4
10
2
10
0
10
0
2
2
0
2
0
14
2
12
2
10
0
12
0
0
4
2
0
2
0
0
0
6
2
0
2
4
14
0
0
2
14
10
18
14
12
2
0
2
2
0
12
0
18
2
14
4
10
2
8
2
0
0
2
12
0
10
2
0
12
4
2
0
0
0
0
12
0
10
0
0
2
14
4
0
10
22
10
0
14
2
11
0
14
0
2
2
0
0
4
16
4
2
22
4
0
2
4
2
12
8
2
2
6
6
0
8
4
2
10
2
2
0
2
0
2
8
0
0
2
0
8
0
4
0
2
0
0
10
4
0
2
2
2
18
22
22
2
4
2
0
0
0
0
0
4
2
0
0
2
2
4
8
