Makenzie got her bottom incisors first (a day apart) and she's got the top left central incisor, but instead of getting her right central, she's got the left lateral incisor (next to the front one). They do skip the eye teeth and get the first double tooth. It looks really cute when they have all the teeth but have gaps where the eye teeth go.

I've seen pictures of babies getting their eye teeth first on the top and no others so that they look like vampires!