D121212121213132333131232313232233131323223313231322331333132312312323331   >>    D12121212121313233313123231323223313132322331323132233133313231231232333   <<    D121212121213132333131232313232233131323223313231322331333132312312323333   >>      D121212121213132333131232313232233131323223313231322331333132312312323332   >>