aa-aa1-aa
aa-aa2-aa
aa-aa2-ab
aa-aa3-bc

##</code><code>##

V1111:something
V1111:something
V2222:something
V1111:something

##</code><code>##

aa-aa1-aa
aa-aa2-ab

##</code><code>##

V1111:something
V2222:something