1. Base
Normal Sudoku rules apply.
2. Skyscraper
Digits represent skyscrapers with heights equal to their values. Taller buildings hide shorter ones behind them. Clues outside the grid show how many skyscrapers are visible from that side in the indicated row or column.
More Skyscraper Sudoku puzzles
This puzzle appears as puzzle #116 in my book
128 Handcrafted Skyscraper Sudoku.
If you enjoyed solving it, you'll find
127 more handcrafted Skyscraper puzzles
in the full volume, ranging from
beginner-friendly introductions to
expert-level challenges.
Solution code: Digits in row 3 (left to right).
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