What Is the Skyscraper Technique in Sudoku?
Take a look at key findings on What Is the Skyscraper Technique in Sudoku.
– The height of the skyscrapers is from 1 to the size of the grid i.e. 1 to 4 for a 4×4 puzzle. – You cannot have two skyscrapers with the same height on the same row or column. – The numbers on the sides of the grid indicate how many skyscrapers would you see if you look in the direction of the arrow.
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