6-cell killer cage summing to 28
7 combinations.
- Always present
- No digit is forced into this cage.
- Never present
- Every digit can appear in this cage.
Valid digit combinations
- 123589
- 123679
- 124579
- 124678
- 134569
- 134578
- 234568
How to use this in play
7 digit sets sum to 28 across 6 cells. Without other constraints this cage is loose; the value comes from pairing it with the cage's row, column, or box context — every digit ruled out elsewhere narrows which combinations remain.