>sample1_seq001 {"definition":"control sequence for annotation test","sample":"sample1"}
atcgatcgatcgatcgatcgatcgatcgatcgatcgatcgatcgatcg
>sample1_seq002 {"definition":"another control sequence from sample1","sample":"sample1"}
gctagctagctagctagctagctagctagctagctagctagctagcta
>sample2_seq003 {"definition":"second sample sequence","sample":"sample2"}
ttaattaattaattaattaattaattaattaattaattaattaattaa
>sample2_seq004 {"definition":"second sample another sequence","sample":"sample2"}
ccggccggccggccggccggccggccggccggccggccggccggccgg
>sample3_seq005 {"definition":"third sample first sequence","sample":"sample3"}
aaaattttccccggggaaaattttccccggggaaaattttccccgggg
>sample3_seq006 {"definition":"third sample second sequence","sample":"sample3"}
ttttaaaaccccggggttttaaaaccccggggttttaaaaccccgggg