left	from	change	right	autoname	name	type
ACGT	C	t	G	ACGT[C->t]G	*CpG->T	point
ACGT	C	tfs	ACT	ACGT[C->tfs]ACT	*Cp(A/C/T)->mut	point
ACGT	A	tfs	ACGT	ACGT[A->tfs]ACGT	A->mut	point
ACGT	C	fs	G	ACGT[C->fs]G	*CpG->(G/A)	point
ACGT	AC	in	ACGT	indel+null	indel+null	non-point
ACGT	AC	in	ACGT	double_null	double_null	non-point
