+ SequenceI cs1 = new Sequence("cseq1", "CCCGGGTTTAAA");
+ SequenceI cs2 = new Sequence("cseq2", "CTTGAGTCTAGA");
+ SequenceI s1 = af1.getViewport().getAlignment().getSequenceAt(0);
+ SequenceI s2 = af2.getViewport().getAlignment().getSequenceAt(0);
+ // need to be distinct