D1212132333132233131323222313231323133313231322331313233313231323231131   >>    D121213233313223313132322231323132313331323132233131323331323132323113   <<    D1212132333132233131323222313231323133313231322331313233313231323231133   >>      D1212132333132233131323222313231323133313231322331313233313231323231132   >>