D3313221123132313231323233231323223313231323221333132312323223311   >>    D331322112313231323132323323132322331323132322133313231232322331   <<    D3313221123132313231323233231323223313231323221333132312323223313   >>      D3313221123132313231323233231323223313231323221333132312323223312   >>