6-cell killer cage summing to 31
8 combinations.
- Always present
- No digit is forced into this cage.
- Never present
- Every digit can appear in this cage.
Valid digit combinations
- 124789
- 125689
- 134689
- 135679
- 145678
- 234589
- 234679
- 235678
How to use this in play
8 digit sets sum to 31 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.