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