Embedded lists within lists in Google docs

I wanted to produce following list which includes embedded list. Solution easy once you know!
Start list by clicking on List in edit bar, and where you want to start the embedded list just click on
Increase Indent icon, and where you want to go back to outer list click on adjacent
Decrease Indent icon.

1. Photos
2. Techniques
   
   1. Classical photography
   2. Digital work flow
   3. Galleries and web creations
3. Equipment
   
   1. Cameras and lenses
      
      1. Digital
      2. Film
   2. Flash and other accessories
4. Other