This picture is from the photo review thread of the XF V2. I'm not sure which swirls to count, but I haven't counted more than 13.
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I mean I really don't have time to debate over swirls but even the pic you posted shows that there are more than 13 swirls on the squares located closest to the centre of the hands. The best way to do it is in hand under a microscope so a camera flash does not distort anything.
The machine swirls on the gen start from the base of the square not at the top. In other words start counting from the corner of the square to the top and then the other corner. That is exactly how they are counted on the gen. guys on gen forums use to fuss over this a lot when the close back 15703 came out with these swirls. AP got rid of it for the open back 15710 version.