0
2
2
4
2
9
4
2
0
6
2
4
0
55
2
2
4
0
2
2
2
2
2
6
2
0
4
0
3
2
0
0
2
1
7
0
0
0
2
4
4
0
3
2
0
0
0
0
4
2
1
0
0
2
2
2
62
4
0
50
2
0
5
0
1
4
2
4
5
0
2
3
6
0
2
3
2
0
4
0
2
2
4
2
13
2
2
4
2
0
4
0
0
49
0
0
0
2
0
2
0
4
4
2
2
11
2
6
2
2
0
0
2
4
2
2
4
4
0
88
2
4
1
0
0
6
4
2
0
2
0
2
2
3
2
2
52
0
0
2
4
2
2
2
0
2
2
2
1
1
2
2
0
2
2
0
0
2
4
5
4
4
47
0
0
2
2
2
2
0
4
0
2
2
2
0
0
2
2
2
2
52
2
0
0
0
1
2
4
0
4
0
5
2
0
0
0
2
4
2
1
2
4
2
4
2
2
2
42
0
4
0
2
5
0
2
0
2
0
0
0
7
2
2
0
0
0
2
0
0
0
0
2
4
2
4
2
4
2
2
0
4
0
0
4
2
1
2
0
4
0
1
0
2
2
2
2
2
0
0
2
5
4
0
2
2
4
2
2
0
1
4
4
1
4
4
2
2
0
2
2
4
0
2
4
0
4
0
