Okay, so let's now embark on an extended thread of 30-40 posts speculating whether this "might be" a factory mixup. Sure, but that gets tiresome.
When a child is asked to count the number of legs of people in a crowded room, and comes back with an odd number, there will always be somebody who wants to insist there's an amputee present. But the more realistic answer is that the child can't count.
M