Case | k | m | n | Conditions |
1 | even | even | even | , not both equalities |
2 | even | even | odd |
|
3 | even | odd | even |
|
4 | odd | even | even |
|
5 | odd | even | odd |
|
6 | odd | odd | even |
|
7 | odd | odd | odd |
|