D121212121213132333131232313232233131323223313231322331323131323123221   >>    D12121212121313233313123231323223313132322331323132233132313132312322   <<    D121212121213132333131232313232233131323223313231322331323131323123223   >>      D121212121213132333131232313232233131323223313231322331323131323123222   >>