My armpit hair is growing in a weird way, is it normal?

My armpits hair started growing about a few months ago like 9 months ago I'm not sure but it has been growing weird like I have hair on the top and on the bottom but zero in between, you know what I mean.Please let me know if it's normal or if it has happened you and if it will grow normal later in my teens.im 14 btw. It looks like this.
Answers

George

Perfectly normal. Nobody would ever notice.

ron h

You've got some light ones between the two hairy areas that will likely fill in soon. It's kinda like beard--some of us have thin areas of beard, especially when we're young. You're just fine.

Garrett

Normal. Will likely fill in.