1299 Piston Rings

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Joined
May 15, 2021
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Detroit
Quick question I've looked everywhere and can't find the answer to this on the correct order for the first two compression rings on the Panigale 1299 piston:

On the Panigale 1299 piston, which ring is 1st and 2nd? They are almost identical, both black, and measure 1.2mm in thickness.

One is labeled KDN5 is black and perfectly rectangular
One is labeled K-TOP is back but has a slight cut out on the bottom on the outside edge (make me believe this should be second)

Given this I believe KDN5 is the top compression ring and the one labeled K-TOP is the second ring but I can't find any documentation anywhere on this.

Please let me know if anyone remembers or has any documentation. I have both service manuals and this is not covered, appreciate any constructive input?
 
Thanks for the idea @SuperDomestique

I was not able to see the marking on those pics however it inspired me to look at others and I can see from this pic it is as I thought were it's the second ring that has the beveled edge on the underside so that confirms it!
 

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Ducati connections, just took a while
 

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You’re going to have too school me on who I am looking at ? Not ringing any bells
 

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