Example 3

This magic square of order n=8 with magic sum S8=260 has four inlaid magic squares with different magic sums.

4641444723201722
33250540106159
272295658371635
515382613643411
542555433156014
30728496336938
65213112573962
4348454218212419

The magic sums are:

left right
top: 87 111
bottom: 84 108
"