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Mathematical Problems in Shuttlecock Kicking Competition
This problem is not 10, but about 4.4, about 256, slightly less than 256. It can't be only 10, it's too far.

If you need details, I can work it out for you.

The correct answer is 4 * 3 * 3 *1+4 * 3 *1* 4 *1+4 *1* 3 *1= 4 * 27+48+48 = 204 species.

The above mistakes are regarded as five people.

If it's three people, then

Abcbcaacbcbaababca Abakaba; acabcaacacbaabcabaabcacaacbabaacbaca

That is 2 *1*1*1+2 *1* 2 *1*1+2+.