D331212121133132233131323223313233313231313331311331323331313221   >>    D33121212113313223313132322331323331323131333131133132333131322   <<    D331212121133132233131323223313233313231313331311331323331313223   >>      D331212121133132233131323223313233313231313331311331323331313222   >>