
    '90
    degrees' (Ctrl+R). 
   Rotates board with the position on 90 degrees clockwise.
 '90
    degrees' (Ctrl+R). 
   Rotates board with the position on 90 degrees clockwise.
    '180
    degrees'. Rotates board with the position on 180 degrees.
 '180
    degrees'. Rotates board with the position on 180 degrees.
    '270
    degrees'. Rotates board with the position on 90 degrees counterclockwise.
 '270
    degrees'. Rotates board with the position on 90 degrees counterclockwise.