For all kinds of men waiting in line (clockwise)
___A
C_____D
__E__B
There are two kinds of women in man A.
But once a is in line, things will be solved.
If a is between CE.
Then b must be between AD.
C is between be
D is between CA
E is between BD
If a is between BD, the same is true.
therefore
24*2=48
Difficulties: How to determine the point M? Because the side lengths of the left right-angled triangle are 3, 4 and 5 respective