2-cell Kakuro run summing to 10
4 combinations.
- Always present
- No digit is forced into this run.
- Never present
- 5
Valid digit combinations
- 19
- 28
- 37
- 46
How to use this in play
4 digit sets sum to 10 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.