D331212121133132233131323223313113313231311222331323331313231323221311   >>    D33121212113313223313132322331311331323131122233132333131323132322131   <<    D331212121133132233131323223313113313231311222331323331313231323221313   >>      D331212121133132233131323223313113313231311222331323331313231323221312   >>