Case #1:
1 1
Case #2:
1 1
2 2
Case #3:
1 1
2 3
2 3
3 3
Case #4:
3 3
1 3
1 3
1 3
Case #5:
5 5
3 5
3 5
1 5
1 5
2 5
1 5
1 5