Kakuro (Gapped) by Grant Fikes
or solve online (using our beta test of Penpa-Edit tools)
Theme: Clue Symmetry and Logic
Author/Opus: This is the 275th puzzle from our contributing puzzlemaster Grant Fikes.
Rules: Standard Kakuro Rules. Also, some cells may remain empty but empty cells cannot share an edge with other empty cells.
Answer String: Enter the values in each cell in the 2nd row from left to right and then in the 7th column from top to bottom, separating the two entries with a comma. Enter a capital X in the string for an empty white cell. Ignore black cells.
Time Standards (highlight to view): Grandmaster = 7:30, Master = 10:00, Expert = 20:00
Solution: PDF
Note: Follow this link for other Kakuro puzzles. More Kakuro puzzles can be found in Kakuro and Variations by Serkan Yürekli. Kakuro will also be featured in the upcoming The Art of Puzzles 2.
Interesting variant and a nice tough solve. Thanks!