zoku
1
8
6
2
4
7
3
5
4
7
1
5
3
8
6
2
9
7
2
8
9
3
9
6
4
Editor
Analyze
Select a cell, and press:
Any digit to fill the cell
Backspace
to clear the cell
Escape
to unselect the cell
The mouse pointer or the arrow keys can be used to navigate between cells. Press
Shift
+
X
or
click here to clear the grid
.