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