10         20         30        40        50        60
GACAGAAGGACACAGAC-    CU  -|    C       U       U    U  GGACU 
                  UCCA  CC GUCUA CCAGUGU UAGACUA CUGU CA     C
                  GGGU  GG CGGAU GGUUACA GUCUGAU GACA GU     C
CGUGCUGUGGCACACAUC    CG  U^    U       C       -    U  UAUAA 
 .       110       100        90        80         70