10          20        30        40        50          
ACGUCUCACUCGAACCU--|   C      GU     A  CGUU        U ACGUAUU 
                   CACU UAAUGU  UGCGU GG    GUGCACAG G       \
                   GUGA GUUGCG  ACGCA CC    UACGUGUC C       A
GAGGUACUACUACUGUAAA^   A      AU     C  UCUU        - UUAAUAC 
.       110       100        90        80        70