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Simple Candidates Command

  Use this command to populate all of the cells in solve mode with the obvious possible candidates. All of the candidates in a cell that are not found as a given or value in the cell's row, column, or box are filled-in automatically.

  This command is particularly useful when you've scanned the puzzle and need to move on to consider more advanced techniques and don't want to go to all the effort of filling-in all the candidates by hand one-by-one. Basically, the simple candidates command is a time-saving tool.

  Note that any existing candidates will be over-written. Thus you should only use this command when you begin to use advanced techniques (beyond hidden and naked singles), not later. Another similar time saving tool that involves managing candidates is the Auto-Update Command.

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