D3313221123132313231323233231323223313231323221333132313231323221111   >>    D331322112313231323132323323132322331323132322133313231323132322111   <<    D3313221123132313231323233231323223313231323221333132313231323221113   >>      D3313221123132313231323233231323223313231323221333132313231323221112   >>