D3311222132313331313132313223313232233132313232213311232313231322131   >>    D331122213231333131313231322331323223313231323221331123231323132213   <<    D3311222132313331313132313223313232233132313232213311232313231322133   >>      D3311222132313331313132313223313232233132313232213311232313231322132   >>