D3312121211331313331313232233132322331323132233132313113311211331   >>    D331212121133131333131323223313232233132313223313231311331121133   <<    D3312121211331313331313232233132322331323132233132313113311211333   >>      D3312121211331313331313232233132322331323132233132313113311211332   >>