In task parts a) to d), look at the tree that is shown in the respective figure is shown. Carry out the operation of the respective task part and the associated Restructuring measures to preserve the AVL property on the corresponding Tree out. Draw the result after every single operation Insert, Delete and Restructure in a separate tree.

a) DELETE(T1, 42) c) INSERT(T3, 23) Tii T3: 30 b) INSERT(T2, 12) d) INSERT(T4, 32)