3. (10 points) Using the figure below, show the B- trees (order 5) that result from the successive deletion of the keys in the order: 27,29,36,55,33,47,20,42,23,50 || 29 15 | 21 35 42 11 12 18 20 23 25 271 31 33 3639 45 47 50 | 55