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