gene	wildTypeXmer	mutatedXmer	patientIdentifier	my.annotation.with.dots	external_annotation_2
BRCA2	AAAAAALAAAAA	AAAAAAFAAAAA	Pt29	blah1	blah2
BRCA2	AAAAAAMAAAAA	AAAAAARAAAAA	Pt29	blah1	blah2
BRCA2	AAAAAAGAAAAA	AAAAAAKAAAAA	Pt29	blah1	blah2
BRCA2	AAAAAACAAAAA	AAAAAAEAAAAA	Pt29	blah1	blah2
BRCA2	AAAAAAKAAAAA	AAAAAACAAAAA	Pt29	blah1	blah2
