10          20        30        40        50        60 
UAUCAAGUUAAAAAACG--|  U  UGC   A  UU         UCA       UAUUAUU 
                   AAA CA   GAG UC  GGACAAAUA   AGUAGAU       \
                   UUU GU   UUC AG  CCUGUUUAU   UUAUUUA       A
UAAAAAAAAAACGUCGACA^  U  UAA   A  UU         UG-       ACUACAU 
120       110       100        90        80         70