The Ages of the 45 Members of a Track and Field

The ages of the 45 members of a track and field team are listed below. Construct an ordered stem-and-leaf diagram using two lines per stem. $\begin{array} { l l l l l l l l l } 21 & 18 & 42 & 35 & 32 & 21 & 44 & 25 & 38 \\ 48 & 14 & 19 & 23 & 22 & 28 & 32 & 34 & 27 \\ 31 & 17 & 16 & 41 & 37 & 22 & 24 & 33 & 32 \\ 21 & 26 & 30 & 22 & 27 & 32 & 30 & 20 & 18 \\ 17 & 21 & 15 & 26 & 36 & 31 & 40 & 16 & 25 \end{array}$

A)
$\begin{array} { l | l l } 1 & 4 \\1 & 56677889 \\2 & 01111122234 \\2 & 5566778 \\3 & 00111222234 \\3 & 5678 \\4 & 0124 \\4 & 8\end{array}$

B)
$\begin{array} { l | l } 1 & 45 \\1 & 56677889 \\2 & 011112223455 \\2 & 5566778 \\3 & 00112222345 \\3 & 5678 \\4 & 0124 \\4 & 8\end{array}$