4-cell Kakuro run summing to 15
6 combinations.
- Always present
- No digit is forced into this run.
- Never present
- Every digit can appear in this run.
Valid digit combinations
- 1239
- 1248
- 1257
- 1347
- 1356
- 2346
How to use this in play
6 digit sets sum to 15 across 4 cells. The run on its own is permissive; its constraints become useful when intersected with the perpendicular runs at each of its cells.