0                    FA==
1                    FQ==
2                    Fg==
10.1                 FA+zyA==
123456789            StjJxL5M6Dvp
23456789             ihNeikemQo=
123                  Fazu
99                   HaY=
33                   F6w=
1.268                F6Gvz9w=
1.1                  F6Gs   左边的数如何变化后成为右边对应的数呢??