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