D3313223323213233313232233132311211331323133313331311331333132313113211   >>    D331322332321323331323223313231121133132313331333131133133313231311321   <<    D3313223323213233313232233132311211331323133313331311331333132313113213   >>      D3313223323213233313232233132311211331323133313331311331333132313113212   >>