# Singmaster notation

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**Singmaster notation** is a basic notation method for the Rubik's cube and is included as part of most other NxNxN notation methods.

## Notation

**U**turns the*u*p face 90 degrees (one quarter turn) clockwise**D**turns the*d*own face 90 degrees (one quarter turn) clockwise**L**turns the*l*eft face 90 degrees (one quarter turn) clockwise**R**turns the*r*ight face 90 degrees (one quarter turn) clockwise**F**turns the*f*ront face 90 degrees (one quarter turn) clockwise**B**turns the*b*ack face 90 degrees (one quarter turn) clockwise

- Adding a
**'**symbol to the end of one of the letters denotes a turn of that layer 90 degrees (one quarter turn) counterclockwise.- Some sources use
instead of^{-1}**'**.

- Some sources use
- Adding a
**2**symbol to the end of one of the letters denotes a turn of that layer 180 degrees (one half turn or two quarter turns).- Some sources use
instead of^{2}**2**.

- Some sources use

## See Also

## References

- Joyner, David
*Adventures in Group Theory: Rubik's Cube, Merlin's Machine, and Other Mathematical Toys*(2nd edition). Baltimore: Johns Hopkins University Press, 2008. Print.