SequenceI[] seqs4 = new SequenceI[] { seqa, seqb, seqc, seqd, seqa,
seqb, seqc, seqd, seqa, seqb, seqc, seqd, seqa, seqb, seqc, seqd };
Alignment al4 = new Alignment(seqs4);
SequenceI[] seqs4 = new SequenceI[] { seqa, seqb, seqc, seqd, seqa,
seqb, seqc, seqd, seqa, seqb, seqc, seqd, seqa, seqb, seqc, seqd };
Alignment al4 = new Alignment(seqs4);