D3313222132313113313132313232123313132322331323331313223313232211233131   >>    D331322213231311331313231323212331313232233132333131322331323221123313   <<    D3313222132313113313132313232123313132322331323331313223313232211233133   >>      D3313222132313113313132313232123313132322331323331313223313232211233132   >>