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