Notes on this puzzle
Kakuro #5408 is a 11×11 field with 66 white cells split into 42 runs: 20 across and 22 down.
13 of the 42 runs can be filled with only one set of digits:
- 3 in 2 → 1 + 2
- 16 in 2 → 7 + 9
- 17 in 2 → 8 + 9
- 7 in 3 → 1 + 2 + 4
- 24 in 3 → 7 + 8 + 9
- 10 in 4 → 1 + 2 + 3 + 4
The longest run is 6 cells long and 18 runs have only two cells, which is where the arithmetic is tightest. Clue totals go from 3 up to 38, with an average of 14.8.
Where to beginA good first target is the cell at row 2, column 5 of the field: the two runs crossing there settle it. On a field this size, keep notes on the long runs and recheck them whenever a crossing cell is filled.