construct	barcode
basal	TTCCGACCAGCT
hk1	CACGTTACAGAG 
CRE-hk1	AGTTCGGAGATC
dev1	TGATGGTTAGGA
hk2	AATGGCACGATG
dev2	TCTGAACACCGT
hk3	CCGGCGAATTAC
dev3	AGGACTCTACAA