D13231123313133313223313132233131323221323132313132333132313132313232211331   >>    D1323112331313331322331313223313132322132313231313233313231313231323221133   <<    D13231123313133313223313132233131323221323132313132333132313132313232211333   >>      D13231123313133313223313132233131323221323132313132333132313132313232211332   >>