D11233131212331323223313133313123132313231311331322331322123231   >>    D1123313121233132322331313331312313231323131133132233132212323   <<    D11233131212331323223313133313123132313231311331322331322123233   >>      D11233131212331323223313133313123132313231311331322331322123232   >>