D11233131212331323223313133313123132313231311331322331323123223321   >>    D1123313121233132322331313331312313231323131133132233132312322332   <<    D11233131212331323223313133313123132313231311331322331323123223323   >>      D11233131212331323223313133313123132313231311331322331323123223322   >>