Click here for a description of the method on the SpeedSolving.com wiki
In April, 2017 John Li proposed 2GR.
https://www.reddit.com/r/Cubers/comments/63y9sy/2gr_method_text_tutorial/
https://web.archive.org/web/20170417185044/http://teoidus.github.io/dump/2GR/2GR.html
https://docs.google.com/document/d/1A74Tv5nzoXEzEN1NGORZ8sabOhcFWQmDCMpSpoFTF3I/edit
2GR was moved to a new site.
https://john-ml.github.io/2GR/CPLine/CPLine.html
