[This is a repost from our archives with new notes at the top (original post here): This very difficult Consecutive Sudoku reveals the two sides of this genre (the positive rule for consecutive digits and the negative “anti”-rule for nonconsecutive digits) with a narrow solving path to connect the top and the bottom.
or solve online (using our beta test of Penpa-Edit tools)
Theme: Jekyll and Hyde – digits but no bars up top, bars but no digits down below. Master both sides to solve this puzzle.
Estimated Difficulty*: 3.5 stars
Time Standards (highlight to view): Grandmaster = 4:30, Master = 9:00, Expert = 18:00