Derbi Variant pyramid reed bearing and seal sizes

Emmett MOPITT /
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Does anyone know the specific seal sizes for a Pyramid reed variant engine? Dos sells a party pack of all of them but they are currently sold out, but they have all of the sizes listed. The bearing sizes all make sense but the amount of seals listed is what is confusing me. It seems like there is multiple sets of crank seals listed and I couldn't tell if one set was for the PP and one was for the PR but they just included both? I know the crank seals on the PR I have are 17 x 28 x 6 as I have replaced them before.

Here is what they have listed:

15 x 30 x 7 - x1

25 x 40 x 7 - x1

16 x 24 x 4 - x2

16 x 28 x 7 - x2

17 x 28 x 6 - x2

12 x 18 x 3 - x1

Just seems like a lot of seals to me but I have never rebuilt a derbi so I don't really know. individually buying all of them is starting to add up and I just want to make sure Im not ordering something I don't need

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