Is it 12 pole winding? Yes. Despite the weird appearance it is standard 12 pole winding but with extended pitch. Is there any benefit compared to the standard winding (pitch 1-4)? The result of our analysis says NO. Then, what is the reason for using such a winding? Obviously, there are no technical reasons. It is very likely that the manufacturer wants to confuse and discourage technicians in the workshop to repair this motor and "stimulate" the user to buy a new one. Sadly, but it's happening.
Pdf file is here.