按数组中元素的数量对数组哈希中的键进行排序

I have a hash of arrays.

我有一个数组哈希。

%HoA = (
    'C1' =>  ['1', '3', '3', '3'],
    'C2' => ['3','2'],
    'C3' => ['1','3','3','4','5','5'],
    'C4'  => ['3','3','4'],
    'C5' => ['1'],
);
%HoA = (