drop table if exists t1;
create table t1(`col_12` varchar(255) character set latin2 collate latin2_hungarian_ci default NULL,key(`col_12`))engine=myisam;
insert into t1 set col_12=0x3F3F9DC73FCE3F00C1B00E4C6F1A174E6B3F3F;
insert into t1 set col_12=0x3F3F1E563F9D3F3FA4D73FC73F705218433F3F7A10255B3F3FB43F3F3F223F3F3F3FE23F3F3F3F25333F3F3F3F90353F3F3F3F3F3FD63F3F3F3F67363F3F3F3FB03F3FBEE43F3F413F3F3FCE3FDD3FE93F3F41E13F8F3F3F3F09363FA0AD4F1649786816ED3F3F;
insert into t1 set col_12=0x3F3F;
check table t1 extended;