Sudo-Kurve by Thomas Snyder
[This is a repost from our archives with new notes at the top (original post here): Certainly more thematic the first time it was posted (on Valentine’s Day in 2013), this geometry of grid is still a special one in my puzzlemaking history as it was part of a special project to create the first sudoku marriage proposal.]
or solve online (using our beta test of Penpa-Edit tools)
Theme: Happy Valentine’s Day – a heart of given numbers inside a heart-shaped grid.
Rules: Standard Sudo-Kurve rules.
Estimated Difficulty*: 3 stars
Time Standards (highlight to view): Grandmaster = 3:30, Master = 5:30, Expert = 11:00
Solution: PDF