D121212121213132333131232313232233131323223313231322331333131323331323212331   >>    D12121212121313233313123231323223313132322331323132233133313132333132321233   <<    D121212121213132333131232313232233131323223313231322331333131323331323212333   >>      D121212121213132333131232313232233131323223313231322331333131323331323212332   >>