Image of the surface density of the disc around an MBHB with mass ratio |$q=0.01$| (left) and |$q=0.1$| (right), accreting from a circumbinary gas disc. The image is from a simulation snapshot taken well after the disc is viscously relaxed but before the binary separation has been reduced much from |$a_0$|⁠. The axes show the |$x-y$| plane in units of |$a_0$|⁠.