D3312121211331313331313232233132322331323132233132313231323132312111   >>    D331212121133131333131323223313232233132313223313231323132313231211   <<    D3312121211331313331313232233132322331323132233132313231323132312113   >>      D3312121211331313331313232233132322331323132233132313231323132312112   >>