SVG animation, is it possible to make a flag?

Question

css

Hello.
There is such an svg icon . Is it possible to animate it like this gif ? Those. we have the upper and lower bands in waves. If this is possible, then where to dig further and how laborious is this process?
Thank you.

Answer 1

google sprites
, that is, a quick change of animation frames,
while all frames are located on one image

Answer 2

for example