colonel@gloria.UUCP (George Sicherman) (10/13/84)
["In other words, if I turn left, then right is behind me. Is that correct?"] Here's a tougher one: has anybody an algorithm to imbed a family tree in the plane? You may assume that it's a genuine tree (no loops). Of course, marriage partners should stand beside each other (one another?), and offspring should stand below parents. -- Col. G. L. Sicherman ...seismo!rochester!rocksanne!rocksvax!sunybcs!gloria!colonel