Time taken: 00:01
1
2
7
5
8
9
6
3
9
2
1
7
5
1
1
4
5
8
3
8
4
7
2
5
3
1
9
5
8
7
1
3
4
4
8
5
3
2
7
1
2
3
4
5
6
7
8
9
Delete
Check
Note
Strategy