4-cell killer cage summing to 19
11 combinations.
- Always present
- No digit is forced into this cage.
- Never present
- Every digit can appear in this cage.
Valid digit combinations
- 1279
- 1369
- 1378
- 1459
- 1468
- 1567
- 2359
- 2368
- 2458
- 2467
- 3457
How to use this in play
11 digit sets sum to 19 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.