Give the state of the disjoint-sets data structure after the following sequence of operations, starting from singleton sets $\{1\}, \ldots,\{8\} .$ Use path compression. In case of ties, always make the lower numbered root point to the higher numbered one.
union $(1,2),$ union $(3,4),$ union $(5,6),$ union $(7,8),$ union $(1,4),$ union $(6,7),$ union $(4,5),$ find (1)