D3312121211331313331313232233132322331323132233132313231323113131   >>    D331212121133131333131323223313232233132313223313231323132311313   <<    D3312121211331313331313232233132322331323132233132313231323113133   >>      D3312121211331313331313232233132322331323132233132313231323113132   >>