Table 1.

Sequence patterns of co-editing risk categories.

Co-editing risk category	Very Low	Low	Moderate	High
Sequence patterns	NCDDDNN	NCDDCNN	NCDCNNN	NCCDNNN
	NDCDDNN	NDCDCNN
	NDDCDNN	NDDCCNN

N any nucleotide, D A or T or G.