D331212121133132233131323223313233313231313331311331323132313331333133313211211   >>    D33121212113313223313132322331323331323131333131133132313231333133313331321121   <<    D331212121133132233131323223313233313231313331311331323132313331333133313211213   >>      D331212121133132233131323223313233313231313331311331323132313331333133313211212   >>