10            20        30        40        50         
GUCUGUAAUGACAGAAU----|  G  AGA     C   CA            AUGGGAAGA 
                     GAG UG   GUGUC GCA  ACCAGCAAGAAG         U
                     UUU AC   UACGG UGU  UGGUUGUUCUUC         C
ACGACUAACGUAGACUCUAAA^  G  A--     U   AC            CUCACCGAU 
.       110       100          90        80        70        60