D3313221123132313231323233231323223313231323221333132313311231111   >>    D331322112313231323132323323132322331323132322133313231331123111   <<    D3313221123132313231323233231323223313231323221333132313311231113   >>      D3313221123132313231323233231323223313231323221333132313311231112   >>