D3313221123132313231323233231323223313231323221333132313113313232221   >>    D331322112313231323132323323132322331323132322133313231311331323222   <<    D3313221123132313231323233231323223313231323221333132313113313232223   >>      D3313221123132313231323233231323223313231323221333132313113313232222   >>