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