D121212121213132333131232313232233131323223313231322331323131133132322331   >>    D12121212121313233313123231323223313132322331323132233132313113313232233   <<    D121212121213132333131232313232233131323223313231322331323131133132322333   >>      D121212121213132333131232313232233131323223313231322331323131133132322332   >>