2
0
4
0
6
4
0
4
0
4
4
6
2
4
0
0
6
2
4
0
4
4
4
0
0
0
2
2
0
4
2
7
4
0
0
0
2
4
2
2
4
0
2
3
2
0
0
0
0
0
0
2
2
0
0
0
0
2
0
2
4
2
4
4
0
10
2
0
2
4
4
4
4
2
6
2
2
0
33
4
4
4
2
2
4
0
0
4
2
0
2
2
0
2
2
2
0
0
4
4
2
12
4
2
4
4
2
2
2
0
2
0
0
18
2
4
2
0
4
0
0
4
4
2
12
2
4
0
0
2
2
0
0
4
2
0
4
42
0
4
2
0
2
2
0
4
2
2
0
0
4
0
2
0
0
0
2
0
0
0
2
6
0
0
4
4
3
4
2
2
4
2
2
40
4
0
2
2
2
2
2
2
2
2
2
2
2
2
5
0
4
2
4
2
2
4
0
6
2
0
2
2
0
4
0
0
4
0
0
0
9
2
4
4
4
2
0
0
2
0
2
6
4
2
2
4
0
0
0
0
0
0
7
2
0
4
2
4
0
0
0
0
2
0
5
65
4
2
2
0
0
2
2
2
2
0
6
23
2
0
2
2
6
2
2
0
2
2
2
9
15
2
2
0
2
2
2
0
2
0
7
0
2
0
2
0
2
0
