You can find just one complication in the definition on the break up issue. You will have found that we referred to “a”, rather than “the” most recent typical ancestor. This is because there may be more than one in the situation of “criss-cross merges”, which include this: Criss-Cross Merge https://bookmark-media.com/story12573941/not-known-factual-statements-about-curriculum-vitae%E4%BB%A3%E5%86%99