10          20        30        40        50        
GUGUGUGUAAGAACCAU--|          A  A               U   AGGCCC 
                   GUGGGUGAUUU AU UGGUACUCCUUAAGC AAC      C
                   CACCCACUAAA UG ACCAUGAGGAAUUCG UUG      U
CAAGUGGAGGUGUCACAAA^          C  G               C   CCACUG 
      110       100        90        80        70        60