D3313223323213233313232233132311211331323133313331311221123222211   >>    D331322332321323331323223313231121133132313331333131122112322221   <<    D3313223323213233313232233132311211331323133313331311221123222213   >>      D3313223323213233313232233132311211331323133313331311221123222212   >>