I would replace or at least rotate. I have 3,200 miles on a 12 Pro and have replaced the front and rear PTO sides 3 times because they looked like yours and began to give me belt wear problems.
Thanks everyone for the info, sent pics to my dealer yesterday waiting to here back from him. I did blow a belt at 650 miles and see where the one I have now is starting to pull a cord, maybe this is the cause, I have checked everything else and all it looks to be fine.
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