4-cell killer cage summing to 22
11 combinations.
- Always present
- No digit is forced into this cage.
- Never present
- Every digit can appear in this cage.
Valid digit combinations
- 1489
- 1579
- 1678
- 2389
- 2479
- 2569
- 2578
- 3469
- 3478
- 3568
- 4567
How to use this in play
11 digit sets sum to 22 across 4 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.