According to Q-FFF Theory, Herbig Haro black holes are more attracted to larger Black Holes than stars or Gas Mass.
So, we observe twin black holes (Herbig Haro BHs) and former gas jets separated from each other, sometimes also remnants from dwarf lax supernova.
Below: Dwarf supernova. near Sagittarius A (+)
See the dual Herbig Haro black holes around Sagittarius A. below.