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