+##insert1
-##bla
+##bla (changed)
+##insert2
+##insert3
-chr1	120270301	120270301	A	C	hom	11.1	12
-chr21	40456589	40456589	C	T	hom	111	45
+chr21	40456589	40456589	C	T	hom	108	46
-chrY	8979472	8979472	T	G	hom	15.6	20
Difference summary:
comment lines added: 4
comment lines removed: 1
content lines added: 1
content lines removed: 3