+3E edg keyhole
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Adding 3 E Edges using keyhole, or +3E edg keyhole refers to the substep of some methods that solves the F2L except one pair without counting the 1st Layer-1C part.
Holding the cross on D, place the 3 E-layer edges (the ones that have to go up a solved corner) in their position in 3 moves after making a D, D2 or D' setup, not to destroy the 3 corners which are already solved.
