bc1	AGCG
bc2	CGTC
bc3	CTGG
bc4	ACTT
bc5	GGGT
bc6	GTTA
bc7	TATG
bc8	TCGC
bc9	GCAG
bc10	ATAC
bc11	TTCT
bc12	CAAT
bc13	AAGA
bc14	TGAA
bc15	TGGG
bc16	ATTG
bc17	TCAT
bc18	GTAT