3 a                            30 a

8 a                            24 a

4 a                              8 a

24 a                          123 b

30 a                            54 b

2 a                             14 b

54 b            -->          39 c

123 b                          16 c

14 b                           15 c

7 b                              

8 c                             

12 c                            

15 c                             

16 c                            

39 c                             
지금 쉘스크립트를 짜고 있는데
정렬을 어떻게 저렇게 바꿔줌?
(알파벳당 높은숫자 순으로 배열)