D11233131212331323223313133313112211231231211111323132313232233131   >>    D1123313121233132322331313331311221123123121111132313231323223313   <<    D11233131212331323223313133313112211231231211111323132313232233133   >>      D11233131212331323223313133313112211231231211111323132313232233132   >>