D121212121213132333131232313232233131323223313231322331322121111   >>    D12121212121313233313123231323223313132322331323132233132212111   <<    D121212121213132333131232313232233131323223313231322331322121113   >>      D121212121213132333131232313232233131323223313231322331322121112   >>