Figure 12(a) highlights a blue "1" that can be quick cleared. However, quick clearing this "1" only uncovers one cell and leaves another "1" that still must be cleared. This "1" is highlighted in Figure 12(b). Quick clearing this "1" uncovers two cells and gets the job done.

Figure 12
(a) A "1" is highlighted that can be quick cleared, but leaves more work to be done. (b) A better location to quick clear, accomplishing more work with one double-button click.

As you practice, you will find that well placed double-button clicks will really help you to rip through even the most complicated minefields with aplomb.

We are now using the word "clear" to refer to covered cells as well as numbers. A covered cell can be cleared with the left mouse button. A number can be cleared using the double-button click (or center button click) after it has been fully flagged.

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