D3312121211331313331313232233132322331323132233132313331323223313231333321   >>    D331212121133131333131323223313232233132313223313231333132322331323133332   <<    D3312121211331313331313232233132322331323132233132313331323223313231333323   >>      D3312121211331313331313232233132322331323132233132313331323223313231333322   >>