D3312121211331322331313232233132333132333132233132323132313132313111   >>    D331212121133132233131323223313233313233313223313232313231313231311   <<    D3312121211331322331313232233132333132333132233132323132313132313113   >>      D3312121211331322331313232233132333132333132233132323132313132313112   >>