Kakuro (Consecutive Pairs) by Takeya Saikachi
or solve online (using our beta test of Penpa-Edit tools)
Theme: Triominoes
Author/Opus: This is the 21st puzzle from our newest contributing puzzlemaster Takeya Saikachi.
Rules: Standard Kakuro rules. Also, if a gray circle is given between two adjacent cells, then the two numbers in those cells must be consecutive. (Note: not all gray circles are given; adjacent cells without a circle may contain either consecutive numbers or nonconsecutive numbers.)
Difficulty: 3 stars
Time Standards (highlight to view): Grandmaster = 4:15, Master = 7:15, Expert = 14:30
Solution: PDF and solving video.
Note: Follow this link for classic Kakuro and this link for Kakuro variations. More Kakuro puzzles can be found in Kakuro and Variations by Serkan Yürekli and in The Art of Puzzles 2.
This took a while.12 mins.