singles auto
If you have a physical keyboard the following keys are available:
Colour the selected square:
- a aqua
- b blue
- f fawn
- g green
- o orange
- p pink
- c clear all coloured squares
Load the next puzzle:
- v very easy
- e easy
- m medium
- h hard
- d diabolical
Provided you have used the "fill in pencils" button:
- s colour numbers that occur singly in a row, column or box
- t colour all the twos
- x check for an X-wing
- y check for a Y-wing
A number key will pencil in the selected square.
replay
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