Problem:
Sort ${2, \frac{31}{\pi }, -\frac{2}{7}, -4 \sqrt{3}, 2 \sqrt{5}, -\frac{39}{7}}$.
Answer:
${-4 \sqrt{3}, -\frac{39}{7}, -\frac{2}{7}, 2, 2 \sqrt{5}, \frac{31}{\pi }}$
{'source': 'AMPS', 'file': 'amps/mathematica/counting_and_statistics/sort/5569.txt'}