Watch the 3 in the middle form a triangle

We were outback celebrating and I notice some bright lights in the sky. I started recording because I didn’t think they were stars like most people thought. I usually look at the sky at night and never saw those before plus they were moving slowly across the sky. I counted at least 10 lights. 3 in the front in a somewhat line, 3 in the middle shaped like a triangle, 2 in the rear spaced apart a little further and 2 small one blinking over top.