D3312121211331313331313232233132322331323132233132313231313212331   >>    D331212121133131333131323223313232233132313223313231323131321233   <<    D3312121211331313331313232233132322331323132233132313231313212333   >>      D3312121211331313331313232233132322331323132233132313231313212332   >>