When you first crack open a new sudoku puzzle, do you look at the rows or columns first? Or do you work in blocks? What’s your strategy?
When you first crack open a new sudoku puzzle, do you look at the rows or columns first? Or do you work in blocks? What’s your strategy?
I start with 1s, look in the row blocks to see if I can fill any, then the column blocks. Then move on the 2s, 3s… If a block or row or column is mostly filled in I see if I can get any of the rest to close it out.
Exact same here
This only gets you so far. The more challenging puzzles require you to think ahead and make assumptions.