D331212121133132233131323223313113313231311222331323331313231323221111   >>    D33121212113313223313132322331311331323131122233132333131323132322111   <<    D331212121133132233131323223313113313231311222331323331313231323221113   >>      D331212121133132233131323223313113313231311222331323331313231323221112   >>