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