D3312121211331322331313232233132333132313133313113313231322331323211221   >>    D331212121133132233131323223313233313231313331311331323132233132321122   <<    D3312121211331322331313232233132333132313133313113313231322331323211223   >>      D3312121211331322331313232233132333132313133313113313231322331323211222   >>