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