D3312121211331313331313232233132322331323132233132313331311111111   >>    D331212121133131333131323223313232233132313223313231333131111111   <<    D3312121211331313331313232233132322331323132233132313331311111113   >>      D3312121211331313331313232233132322331323132233132313331311111112   >>