Representations of the first two vertical n modes of the unstable m = 1 mode. Top: purely toroidal magnetic field configuration, where the orientation of the magnetic symmetry axis is perpendicular to the rotation axis . It also shows what an n = 1 and n = 2 disk looks like as the red and blue box, respectively. Bottom: slipping disks for the n = 1 (left) and n = 2 (right) cases. The magnitude of the deformation Δl_⊥, and the deformation velocity Δv_⊥, suffered by the disks is different depending on the unstable mode. Small n modes present large deformations, whereas high n modes show small deformations, Δl_⊥(n = 1) > Δl_⊥(n = 2) and Δv_⊥(n = 1) > Δv_⊥(n = 2).