drop table if exists b15913;
create table b15913 (v varchar(10) charset utf8 collate utf8_general_ci);

insert into b15913 values(0x64656d61726b),(0x64654c756765),
(0x64652d4c756765),(0x6465e280904c756765),(0x6465204c756765),
(0x64656c756765),(0x64652d6c756765),(0x6465e280906c756765),
(0x6465206c756765),(0x6465617468);

select * from b15913 order by v;