2-cell Kakuro run summing to 7
3 combinations.
- Always present
- No digit is forced into this run.
- Never present
- 789
Valid digit combinations
- 16
- 25
- 34
How to use this in play
3 digit sets sum to 7 across 2 cells. The run on its own is permissive; its constraints become useful when intersected with the perpendicular runs at each of its cells.