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?
_
 
>123456789<
dimension
diagonal
> ... <
The charset for this puzzle.
dimension:
The site length - usually 9.
diagonal:
Consider diagonals as logical units?
Affects only the status evaluation - usually no.
apply:
Applies the dimension on the grid and deletes every changes made.
lock:
Makes all filled in fields uneditable.
unlock:
Makes all fields editable.
show / hide candidates:
Key [0] oder mousebutton C
Add to candidate list:
+[enter] will add all candidates to the list.
+4[enter] will add 4 to the candidate list.
+128[enter] will add 1, 2 and 8 to the candidate list.
Reduce candidate list:
-[enter] will empty the list.
-4[enter] will remove the 4 from the list.
-128[enter] will remove 1 and 2 and 8 from the list.
Replace the candidate list:
*6[enter] will set the list to 6 - which will fill in the field.
*468[enter] will set the candidate list to 4, 6, 8.
Fill in a field:
To fill in a field simply press a key or click a button. Of course this works only with valid characters.
Delete a field:
[del] will mark all candidates as valid when candidate lists are not shown; it will mark all candidates as invalid while candidate lists are shown.
Delete command:
[backspace] will delete the command without executing it.
Moving the mark:
The arrow keys or the corresponding buttons or clicking into the grid.
Status:
? = uncomplete
= complete without errors
= complete with errors