AHSME 1983 Problem 21

Find the smallest positive number from the numbers below. $\textbf{(A)} \ 10-3\sqrt{11} \textbf{(B)} \ 3\sqrt{11}-10 \textbf{(C)}\ 18-5\sqrt{13} \textbf{(D)}\ 51-10\sqrt{26} \textbf{(E)}\ 10\sqrt{26}-51$