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