D13231123313133313223313132233131323221323132313132333132313231333132322333121   >>    D1323112331313331322331313223313132322132313231313233313231323133313232233312   <<    D13231123313133313223313132233131323221323132313132333132313231333132322333123   >>      D13231123313133313223313132233131323221323132313132333132313231333132322333122   >>