WARNING: This page is about a different car, the 2015 Audi A7 Quattro and 2014 Audi A7 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Cylinder Head Seal Identification
Courtesy of AUDI OF AMERICA, LLC
Part Number
Holes
NOTE:
The cylinder head gaskets for the left and right cylinder head cannot be interchanged because they each have a different shape.