Great Circles

Given a sphere, a circle is called a great circle if it is the intersection of the sphere with a plane passing through its center. Five distinct great circles can dissect the sphere into nn regions.

Let mm and MM be the minimum and maximum values of nn, respectively. Submit your answer as the concatenation of MM and mm.

For example, if you think that M=123M=123, m=45m=45, then your answer is 1234512345.

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