D33132211231323132313232332313232233132313232213331323133313231322221   >>    D3313221123132313231323233231323223313231323221333132313331323132222   <<    D33132211231323132313232332313232233132313232213331323133313231322223   >>      D33132211231323132313232332313232233132313232213331323133313231322222   >>