Basic
You can move around in the puzzle by using the keyboard or the mouse.
To use the mouse, click to select the cell.
To use the keyboard,
press HOME, END, PAGE UP, PAGE DOWN or ARROW keys (UP, DOWN, RIGHT and LEFT).
Press <Ctrl>+<ARROW keys> to select the next/previous empty cell.
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Candidates (possible values)
Press "Show candidates" to turn On/Off visibility of candidates.
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Excluding candidates from field
SuDoKu-knekkeren always (and only) remove candidates where the value exists in the same
group (row, column and 3x3-box).
To exclude other candidates, right click the field and select Exclude
(or e.g. press <Alt>+<2> to Exclude [or Show again] candidate 2 in selected field).
SuDoKu-knekkeren is using Candidates to solve a puzzle.
When you Exclude a candidate from a field, you tell him not to use that candidate.
If you Exclude them all, the puzzle cannot be solved from the point of SuDoKu-knekkeren.
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Right-click on 'New' and select a level,
to generate an asymmetric puzzle.
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Right-click the color(-button) you want to mark/unmark selected field with.
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How to show which solving technique has to be used to solve the puzzle
· Click on  Info...
(next to Check-button) or press <F3>.
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Auto-solve all Naked Singles
Right-click on 
(Solve next step) and select 'Naked Single ...'
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Last ned
