4
2
1
2
2
1
6
4
8
5
2
3
3
1
1
4
2
1
8
0
0
2
0
0
2
1
1
3
1
0
9
1
1
4
1
1
7
1
2
4
0
1
7
2
2
2
0
0
4
2
1
4
1
1
4
2
1
11
2
6