D121212121213132333131232313232233131323223313231322331313232213131   >>    D12121212121313233313123231323223313132322331323132233131323221313   <<    D121212121213132333131232313232233131323223313231322331313232213133   >>      D121212121213132333131232313232233131323223313231322331313232213132   >>