How to solve Sudoku puzzles easily

The method described here is a simpler way to solve most Sudoku puzzles. The key is in
the way we look at possible candidates. Instead of looking at all possible candidates for
a square we only look at putting in the candidates that are narrowed down to only two possible
locations. This cuts down on the clutter and is a lot easier to follow.
This is the puzzle we will be working through. To start with look for any obvious solutions using crosshatching.
Next