Discussion

r U2 r U2 r U2 r U2 r to switch two inner edge pieces in the U layer

 original... we are doing on "U" layer (top layer)

r

 

U2

r

 U2

r

 U2

r

 U2

r

  

Summary:-  r U2 r U2 r U2 r U2 r does not switch two inner edge pieces. It switches between two rows of pieces

Parity is real, Here's my cube

See the guy on left plane/face with the hat (luffy). You can inspect all pictures. I loaded original pics on "home" tab