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