D3313223323213233313232233132311211331323133313331323132313221311211   >>    D331322332321323331323223313231121133132313331333132313231322131121   <<    D3313223323213233313232233132311211331323133313331323132313221311213   >>      D3313223323213233313232233132311211331323133313331323132313221311212   >>