4
9
2
1
2
1
1
1
2
2
1
0
1
0
2
1
1
0
2
1
2
1
3
3
3
2
1
0
2
1
1
0
1
0
1
2
2
1
2
1
3
2
3
2
1
0
2
2
1
0
3
2
2
1
1
0
2
1
3
6
3
2
1
0
2
1
1
0
7
6