or solve online (using our beta test of Penpa-Edit tools)
Author/Opus: This is the 30th puzzle from our contributing puzzlemaster JinHoo Ahn.
Rules: Standard Arrow Sudoku rules. Also, standard Thermo-Sudoku rules.
Difficulty: 2.5 stars
Time Standards (highlight to view): Grandmaster = 2:30, Master = 3:15, Expert = 6:30
Solution: PDF; a solution video is also available here.
Note: Follow this link for more Arrow Sudoku. Follow this link for more Thermo-Sudoku puzzles. More Arrow and Thermo-Sudoku puzzles can be found in The Art of Sudoku 2.