DWG-104.3.01
Kakuro #1 · Hard
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About this puzzle
A 10×10 field with 64 white cells in 42 runs, and clues from 3 to 38. 12 runs have only one possible set of digits.
The longest run has 6 cells and adds up to 31, with 8 possible combinations.
Where to start
The 38 down 6 cells starting at row 2, column 10 can only be 3 + 5 + 6 + 7 + 8 + 9.
The 21 down 6 cells starting at row 6, column 7 can only be 1 + 2 + 3 + 4 + 5 + 6.
Some runs only resolve when you test which of their combinations still fit the crossing runs. Notes make that bookkeeping easy.