D331212121133132233131323223313233313231313331311331323132233132322221   >>    D33121212113313223313132322331323331323131333131133132313223313232222   <<    D331212121133132233131323223313233313231313331311331323132233132322223   >>      D331212121133132233131323223313233313231313331311331323132233132322222   >>