10          20        30        40        50        60        70
UUUUCGUGUUUAUUGUG--|  UGAG    AUU         UGC          UGAUUAAUCCCUCUGA 
                   GGA    AUCG   AAGUAGUUC   CAUAGGUAAU                A
                   CCU    UGGC   UUCAUCGAG   GUGUCCAUUA                G
AACUUUUCAAUGCAAAGUA^  UCCA    CGC         UU-          AAAAGAAGGAAAUAGG 
 .       130       120       110       100         90        80