red-black trees click start in the rbtree workshop applet to begin with and insert and you'll need color flips before and now try to insert new node with the value you'll be told you need color flip (at but when you perform the flip and are both redand you get the errorparent and child are both red message don' press ins again in this situation is is and is as shown in figure change color rotate change color rotate figure inside grandchild on the way down