(-2)

M

After Insertion

M

T4 h+1

(+1)

C

Left rotate with   C as pivot

Right rotate with M as pivot

I

T4 h+1

(-1)

I

T1 h+1

I

T3 h

T2 h+1

T3 h

C

M

C

T1 h+1

T2 h+1

T3 h

T4 h+1

T1 h+1

T2 h+1

NEW

NEW

Another E.G. of Insert:

NEW