Lower two 1
Step 1 / 3
r: Right inner layer: turn 90°, front face goes up (Written as TR in the textbook)
The top has red pieces in its back-left and back-middle spots. The front has green pieces in its middle-right and bottom-right spots.
Green on top, red at the front. The algorithm has 1 r ... r' group.
Step 1 of 3: r. Right inner layer: turn 90°, front face goes up