D1212121212131323331312323132322331313232233132313223313331323131323131323221   >>    D121212121213132333131232313232233131323223313231322331333132313132313132322   <<    D1212121212131323331312323132322331313232233132313223313331323131323131323223   >>      D1212121212131323331312323132322331313232233132313223313331323131323131323222   >>