D3313223323213233313232233132311211331323132322131323132313232221   >>    D331322332321323331323223313231121133132313232213132313231323222   <<    D3313223323213233313232233132311211331323132322131323132313232223   >>      D3313223323213233313232233132311211331323132322131323132313232222   >>