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