D3312121211331313331313232233132322331323132233132313231331123321   >>    D331212121133131333131323223313232233132313223313231323133112332   <<    D3312121211331313331313232233132322331323132233132313231331123323   >>      D3312121211331313331313232233132322331323132233132313231331123322   >>