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2GR
EOPair
CPLine
Theory - Recognition
Theory - Tracking
Block
F2L
2GLL
U
T
Pi
S
AS
L
H
O (EPLL)
Trainers
CP
2GLL
Examples
U
Recognition is done mainly by looking at patterns in the 2x3 block of oriented pieces. L refers to the left 2x1, R refers to the right 2x1, and F refers to the front 3x1.