D331212121133131333131323223313232233132313223313113313231322321   >>    D33121212113313133313132322331323223313231322331311331323132232   <<    D331212121133131333131323223313232233132313223313113313231322323   >>      D331212121133131333131323223313232233132313223313113313231322322   >>