The ratio of total surface area and volume of a sphere is 1 : 7. This sphere is melted to form small spheres of equal size. The radius of each small sphere is $$\frac{1}{6^{th}}$$ the radius of the large sphere. What is the sum (in $$cm^2$$) of curved surface areas of all small spheres?

A

31276

B

36194

C

25182

D

33264