Theme: C (Originally on 2015 Indian Puzzle Championship)
Author/Opus: This is the 89th puzzle from our contributing puzzlemaster Prasanna Seshadri.
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 white cell in the marked rows from left to right, separating the rows with a comma. Enter a capital X for any blank white cells, and ignore all black cells.
Time Standards (highlight to view): Grandmaster = 7:00, Master = 9:30, Expert = 19:00
Note: Follow this link for other Kakuro puzzles.