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4. Press SOLVE to see if the puzzle you
entered is valid.
If it is, the missing numbers in the puzzle
are filled in.
If it is not, the message “Err” is displayed.
Press , then adjust the numbers, and
then press SOLVE again to check the
puzzle. Keep adjusting the values until you
no longer see the “Err” message when you
press SOLVE.
Depending how difficult the puzzle is,
validating a puzzle may take a few minutes.
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