Example 4.8 girls and 25 boys form a circle, with at least two boys standing between any two girls. How many different arrangements are there? (Arrangements that can be made to coincide by rotating the circle are considered the same) (1990, National High School Competition)
Co-cultivation $\frac{25!16!}{9!}$ different permutation methods.
Solution reference: "Shou Deng Mathematics Initial 1901 Issue 2, Another Solution to the First Problem of the National Commercial Middle School Competition." There is a unique creative ability.

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Co-cultivation $\frac{25!16!}{9!}$ different permutation methods.
Solution reference: "Shou Deng Mathematics Initial 1901 Issue 2, Another Solution to the First Problem of the National Commercial Middle School Competition." There is a unique creative ability.