Skyscraper Sudoku

In skyscraper sudoku, each cell's digit represents the height of a skyscraper at that spot. The edge number shows how many skyscrapers are visible looking in from that direction (shorter buildings hidden behind taller ones don't count).

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Skyscraper Sudoku rules

  1. 1
    Rule 1

    The classic row, column, and 3x3 box rules apply as usual.

  2. 2
    Rule 2

    The edge number is the count of skyscrapers (digits) visible looking in from that direction.

  3. 3
    Rule 3

    A skyscraper is visible if it's taller than every skyscraper before it.