Display:

• Correct rectangles are colored gray; incorrect or incomplete Rectangles light red.
• When you work with colors, the rectangles will be the same as you selected color hatched.
• The box that defines the first corner of a rectangle turns olive green drawn.

Mouse:

• Left click on two diagonally opposite ones Corner fields of the rectangle to be drawn.
• Drag the left mouse button from one corner field to the diagonally opposite one Corner field.
• Delete a rectangle by drawing it again.

Fingers:

• Tap on two diagonally opposite corner squares of the to drawing rectangle.
• Touch a corner square drag your finger to the diagonally opposite corner square.
• Erase a rectangle by redrawing it.

Keyboard:

Use the arrow keys to move the selection frame to a field and ...

• press Enter or the space bar on a corner field of rectangle to be drawn and then on the diagonally opposite one Corner panel
• press the shift key and use the arrow keys to move the marquee to the diagonal opposite corner panel
• press Remove or backspace over a any field of a rectangle to delete it

Tips:

• If a newly drawn rectangle overlaps with existing rectangles, the latter will be automatically deleted.
• It is sometimes useful to draw incomplete rectangles when clear is that some fields belong to a larger rectangle, but still unclear is which other fields belong to it.

Icon markers:

Global:

turns on the marker mode and selects the icon ( ),in the fields selected below is entered.

On a field:

	Select field with the arrow keys, then Strg + Q W E R X A B C D
	Right click, then select symbol in the popup
	Hold, then select symbol in the popup

For details see Symbolmarkungen and SelectionMenu.

Left click or tap on one Grid line to change its appearance (territory border, none area boundary, grid line). The line representation has no influence on the solution; only the values ​​of the fields count for the solution.

Color markers:

Global:

	chooses the color used to mark subsequent moves.
	Alt+0 to Alt+9 select the color with which subsequent moves are marked.

On a field:

	Select field with arrow keys, then Ctrl+0 to Ctrl+9
	Right-click, then choose color in popup
	Hold, then choose color in popup

For details, see color markings and Selection Menu.

Error markers:

or F6 marks all errors - i.e. violations against the rules - red.

Functions:

	or Pos1 takes all moves Previous [Details]
	or Image↑ or Ctrl+Z takes a hit Previous [Details]
	or Image↓ or Ctrl+Y restores a previously taken move [Details]
	or End restores all previous moves taken [Details]

	or Ctrl+S saves the current save [Details]
	or Ctrl+L loads a previously saved game [Details]

or F3 switches typing mode on and off again. In tip mode the correct one is displayed Value entered in the following selected fields. [Details]

or F4 enters the solution into the diagram and, if necessary, enter the solution into the move list [Details]

Enlarge/reduce the diagram:

The diagram can be enlarged/reduced within the window [Details]:

	Left click or tap: select field size
	Right-click or hold: Fit diagram to window size (="auto")
	Drag with two fingers: the chart size follows the distance between the two Fingers towards each other
	Keyboard: Ctrl+Arrow keys

Moving the diagram:

This is only possible if the diagram is larger than the window or the Screen [Details]:

	Mouse: Use the scroll bars.
	Drag with two fingers: the diagram follows the finger movement.
	Keyboard: Alt+arrow keys

Info and email:

or F1 shows information about the puzzle in a separate window. In this you can also contact the webmaster send a message. This contains, among other things: the current one Score and the sequence of moves that led to it. [Details]