10                20        30        40        50          
GCGACAGAACUAACCAUUA--------|    UGACCCUGCA             U  C  UCCACU 
                           GCACC          CUCAGGGAUAGAA AG GG      \
                           CGUGG          GGGUCCCUAUCUU UC CC      U
AACCGUCACCACCAUCGUCCUCGUUGC^    UCA-------             U  A  CGACGA 
.       110       100        90               80        70