Suppose we have $10$ singleton sets, numbered $0$ through $9,$ and

we call the operation union$($find$($i$-1),$ fin$($i$)),$ for $i=9,8,7,6,.\mathrm{.}1.$ Draw a

picture of the list$-$based representation of the sets that result,

assuming we don't implement the union$-$by$-$size technique.