2019 Fermat Problem 4

In the diagram, point P is on the number line at 3 and V is at 33. The number line between 3 and 33 is divided into six equal parts by the points Q, R, S, T, U.

What is the sum of the lengths of PS and TV?

\textbf{(A)}\ 25\quad \textbf{(B)}\ 23\quad \textbf{(C)}\ 24\quad \textbf{(D)}\ 21\quad \textbf{(E)}\ 27

If there are no answer choices shown, enter a numerical answer.

Full credit to this problem is given to the CEMC, you may view all Fermat contests here.