D121212121213132333131232313232233131323223313232233131111222231   >>    D12121212121313233313123231323223313132322331323223313111122223   <<    D121212121213132333131232313232233131323223313232233131111222233   >>      D121212121213132333131232313232233131323223313232233131111222232   >>