Ancestors of 5 4 2 0 Ancestors of 6 and 5 3 4 2 1 0 Ancestors of 5 and 4 4 2 0 Ancestors of 7, stop at 6 6 Ancestors of 7, including revs 7 6 5 3 4 2 1 0 Ancestors of 7, 5 and 3, including revs 7 5 3 6 4 2 1 0 Descendants of 5 7 8 Descendants of 5 and 3 6 7 8 Descendants of 5 and 4 5 7 8