10          20        30        40        50      
UACCGCAUAACAGUUGUGU--|  CU   CU         UCCAU         GUU 
                     UGC  CAG  AUAUGUGUG     GUUACAUGU   C
                     AUG  GUC  UAUGCACAC     CAAUGUACA   C
CCUUUAUACCUCCUUACCUAU^  AG   CU         UGAUC         UUA 
  110       100        90        80        70        60