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