D121212121213132333131232313232233132313233313231323331333132333132313232212131   >>    D12121212121313233313123231323223313231323331323132333133313233313231323221213   <<    D121212121213132333131232313232233132313233313231323331333132333132313232212133   >>      D121212121213132333131232313232233132313233313231323331333132333132313232212132   >>