D3313221123132313231323233231323223313231323221333132313311232333111   >>    D331322112313231323132323323132322331323132322133313231331123233311   <<    D3313221123132313231323233231323223313231323221333132313311232333113   >>      D3313221123132313231323233231323223313231323221333132313311232333112   >>