D-C= 1
E-B=2
B-F=7
D-F=2
It can be found that f is the shortest, that is, F= 159.
That is, B= 166.
D= 16 1
E= 168
A= 177
C= 160
So a is the highest, and a is 177CM.
The arrangement is as follows: A E B D C F