D11233131212331323223313133313123132313231311331322331322311321   >>    D1123313121233132322331313331312313231323131133132233132231132   <<    D11233131212331323223313133313123132313231311331322331322311323   >>      D11233131212331323223313133313123132313231311331322331322311322   >>