D331311121133132313331333133313331311331323132313223313132233132322231   >>    D33131112113313231333133313331333131133132313231322331313223313232223   <<    D331311121133132313331333133313331311331323132313223313132233132322233   >>      D331311121133132313331333133313331311331323132313223313132233132322232   >>