D1212132333132233131323222313231323133313231322331323221323233231   >>    D121213233313223313132322231323132313331323132233132322132323323   <<    D1212132333132233131323222313231323133313231322331323221323233233   >>      D1212132333132233131323222313231323133313231322331323221323233232   >>