2
1
2
1
2
1
8
7
9
12
2
1
2
1
2
1
4
3
1
0
3
2
2
1
3
5
2
1
1
0
6
8
2
2
4
3
5
4
2
1
2
1
4
3
2
1
1
0
1
0
1
0
2
1
3
2
2
1
2
1
1
0
3
10
1
0
5
4
2
2
5
4
3
2
1
1
3
2
1
0
2
1
1
0
1
0
2
1
2
1
1
0
1
0
3
2
4
3
1
0