Flywheel O-ring question

Where exactly is the Oring marked 23 in the attached picture?? Is this Ferrari's depiction of the Oring on the shaft near the triple seals or is it sandwiched between the bearing and snap ring on the fly wheel. (I don't see it in my fly wheel. I'm assuming its the one on the shaft but need comfirmation).
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Andrew,

Thanks for the reply. I removed the bearing and looked very carefully. No O-ring in that location inside the flywheel. I'm now sure its the o-ring on the shaft (See pic) that gets inserted into the flywheel assembly. When all is assembled, the oring sits deep to the bearing but remains in the groove on the shaft.

Silly way to depict it in an exploede figure if you ask me.

 

Pic
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