Kakuro: sum 19 in 4 cells
A sum of 19 in 4 cells can be made 11 ways.
| Combination | Digit set |
|---|---|
| 1 + 2 + 7 + 9 | 1279 |
| 1 + 3 + 6 + 9 | 1369 |
| 1 + 3 + 7 + 8 | 1378 |
| 1 + 4 + 5 + 9 | 1459 |
| 1 + 4 + 6 + 8 | 1468 |
| 1 + 5 + 6 + 7 | 1567 |
| 2 + 3 + 5 + 9 | 2359 |
| 2 + 3 + 6 + 8 | 2368 |
| 2 + 4 + 5 + 8 | 2458 |
| 2 + 4 + 6 + 7 | 2467 |
| 3 + 4 + 5 + 7 | 3457 |
What this tells you
- There are 11 possibilities, so this clue alone does not decide the digits. Use crossing runs and any known cells to eliminate combinations.
- Every digit from 1 to 9 appears in at least one combination, so there is nothing to exclude outright.
Related sums
The digits left out of each combination form a combination for the mirror run: sum 26 in 5 cells (page).