Top-Left

Group 1 (Child - Top-Down 1)
Group 1 (Child - Top-Down 2)
Group 1 (Child - Top-Down 3)
Group 2 (Child - Left-Right 1)
Group 2 (Child - Left-Right 2)
Group 2 (Child - Left-Right 3)
Group 3 (Child - Top-Down 1)