D13231123313133313223313132233131323221323132313132333132313231333132323112331   >>    D1323112331313331322331313223313132322132313231313233313231323133313232311233   <<    D13231123313133313223313132233131323221323132313132333132313231333132323112333   >>      D13231123313133313223313132233131323221323132313132333132313231333132323112332   >>