2
1
1
2
3
8
6
7
7
9
2
5
5
0
0
5
0
0
4
3
6
9
1
7
8
3
1
9
2
4
2
1
2
9
1
3
11
0
1
8
1
1
11
0
0
6
1
1
2
0
3
2
1
1
6
7
10
9
1
0