Kakuro: sum 13 in 2 cells
A sum of 13 in 2 cells can be made 3 ways.
| Combination | Digit set |
|---|---|
| 4 + 9 | 49 |
| 5 + 8 | 58 |
| 6 + 7 | 67 |
What this tells you
- There are 3 possibilities, so this clue alone does not decide the digits. Use crossing runs and any known cells to eliminate combinations.
- Digits that can never appear: 1, 2, 3. You can remove them from every cell of the run.
Related sums
The digits left out of each combination form a combination for the mirror run: sum 32 in 7 cells.