Author/Opus: This is the 187th puzzle from our contributing puzzlemaster Prasanna Seshadri.
Rules: Standard Skyscrapers rules. Also, cells with a circle must contain an odd digit.
Difficulty: 2 stars
Time Standards (highlight to view): Grandmaster = 1:20, Master = 2:00, Expert = 4:00
Note: Follow this link for classic Skyscrapers puzzles and this link for variations on Skyscrapers puzzles. If you are new to this puzzle type, here are our easiest Skyscrapers Puzzles to get started on. More Skyscrapers puzzles can be found in The Art of Puzzles, in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli, and in the e-book Skyscrapers by Ashish Kumar.