Sequence $3)$

Hand$-$insert the following sequence of keys into an initially empty B$-$Tree of ORDER $3,$ which means the root has $1$

to $6$ elements, and each child has $3$ to $6$ elements:

$20,30,40,50,60,22,32,42,52,62,72,82,92,47,70,80,90,45,55,65,15,25,35,75,85,95,21,31,41$