D33132211231323132313232332313232233132313232213331323331323121212221   >>    D3313221123132313231323233231323223313231323221333132333132312121222   <<    D33132211231323132313232332313232233132313232213331323331323121212223   >>      D33132211231323132313232332313232233132313232213331323331323121212222   >>