Complex sentence: The identifying flag is the central right hand flag, positioned above the anchor, the Union Flag for Great Britain, the tricolour for France or the flag of the Kingdom of Sardinia, based on the Italian tricolore.
Split into simpler sentences: The identifying flag is the central right hand flag, positioned above the anchor. It is a Union Flag for Great Britain, the tricolour for France and the flag of the Kingdom of Italy for Sardinia, based on the Italian tricolore.