D121212121213132333131232313232233131323223313231322331333131323321   >>    D12121212121313233313123231323223313132322331323132233133313132332   <<    D121212121213132333131232313232233131323223313231322331333131323323   >>      D121212121213132333131232313232233131323223313231322331333131323322   >>