10          20        30        40        50        60
CAUUUUCUCCAUUGCCC--|  C UG  G   A        C       G    AGUAGAU 
                   ACA C  GA UUU CUGACAUC UAGAAGU CAAA       U
                   UGU G  CU AAA GACUGUAG AUUUUCG GUUU       U
AGAACUCCUUCAAUCCUAC^  C GU  G   C        A       G    CUACCCU 
120       110       100        90        80        70