10          20        30        40           50         
GGGGUUUUCCGAGUUAU--  UGU    AUU            ---|       A  GUACUA 
                   GC   GGCC   UGCUAUGACAAU   GUUGCACU CU      C
                   CG   CUGG   ACGAUACUGUUA   UAACGUGA GA      U
GGGCCACAGCACGCACAGG  CCU    CGU            UGA^       C  ACUCAC 
 120       110       100        90        80        70        60