Hobie 21SC Hull Identification Number

I very recently bought a Hobie 21SC, great boat, real smooth sailing, but I still have to resolve a few rigging and parts issues.
I thought it was a mid 90's boat, it has the same tiller connectors as my 1982 Hobie 18 with the hemispherical plastic washers etc rather than the Tiller connector rods shown in the current 21SC parts guide. The sail number is 150.

The Identification Number on the back of both hulls is CCMM0855. The various Hobie HIN interpretation guides I've downloaded from this site and via google aren't helping me figure out the Model Number or the build year, there don't seem to be enough numbers, and I'm pretty sure its not a 2000's boat.

Can anyone with a 21SC give me any help in interpreting this HIN number?

Thanks for your time,
John Spencer
Northern Ontario Hobie Sailor, H16, H18 Magnum, Sports Cruiser!

My 21SE Hull ID #'s are CCMM040J889 so it's an 1989 boat boat # 404 and that all I can help you with....maybe they numbered the SC different............

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Bill 404 21SE