Question $12$: RBT Insert: No AVL Rotations

You are given the following Red$-$Black Tree $($RBT$)$:

Which of the following, when inserted into the above RBT$,$ will not cause any AVL rotations during the insertion? Select all that apply.

Note: The red nodes are the ones with dashed outlines.

$97$

$85$

$62$

$55$

$71$

$59$

$82$

$21$

$57$

$52$