Dr. Sudoku Prescribes #63 – Skyscrapers
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Theme: On a scale of difficulty from one to five — this is “Mostly Five”
Rules: Standard Skyscrapers rules.
Answer String: Enter the 4th row from left to right, followed by a comma, followed by the 7th row from left to right.
Time Standards (highlight to view): Grandmaster = 5:45, Master = 10:00, Expert = 20:00
Solution: PDF
Editorial Note: This should go without saying, but it is advised that you pursue logic as far as you can take it instead of guessing.