Move 6 in detail
Shown below are figures to help you visualize what the steps of Move 6 involve.
I have included these to help readers accustom themselves with the notation system.
Move 6: F H-1 F-1 H2 F-1 H-1 F
|F: Rotate the front clockwise||H-1: Rotate the middle horizontal slice counterclockwise one turn|
|F-1: Rotate the front counterclockwise||H2: Rotate the horizontal slice twice|
|F-1: Rotate the front counterclockwise||H-1: Rotate the horizontal slice counterclockwise one turn|
|F: Rotate the front clockwise||The move is complete, and has filled in the keyhole|