Rules:
Place the digits 1-9 once each into every row, column, and box.
The grid is covered in fog. Correctly placed digits will clear fog from the surrounding cells. No guessing is required.
A digit N on a circle counts the number of digits in the up to 8 surrounding cells that are greater than or equal to N.
A digit N on a square counts the number of digits in the up to 8 surrounding cells that are less than or equal to N.
All possible circles and squares are given.
Have fun solving!
Solution code: Column 9
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