6-cell Kakuro run summing to 31
8 combinations.
- Always present
- No digit is forced into this run.
- Never present
- Every digit can appear in this run.
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. The run on its own is permissive; its constraints become useful when intersected with the perpendicular runs at each of its cells.