Can someone explain the steps to 19 and 20. Especially 20. Thanks

19.Which tree would result from inserting 15 into the following Red-Black tree? Black nodes are circled, red nodes are not. 35 25 45 20) 30 40 50 10 35 35 35 35 25 45 25 45 25 45 25 45 15 30 50 15 30 40 50 20 30 40 20 30 40 50 10 20 10 20 15 10 10 15 20.Which tree would result from inserting the following values in the order in which they are written into a 2-4 tree? 30, 60, 70, 40, 35, 45, 50, 5, 15, 7 15 45 60 15 35 45 30 35 40 70 30 60 50 70 7 35 60 15 35 60 15 30 40 45 50 30 40 45 50 70