D331212121133131333131323223313232233132313223313231311331323123231   >>    D33121212113313133313132322331323223313231322331323131133132312323   <<    D331212121133131333131323223313232233132313223313231311331323123233   >>      D331212121133131333131323223313232233132313223313231311331323123232   >>