D121212122132313231323233231323223313113313132322331323132312313111   >>    D12121212213231323132323323132322331311331313232233132313231231311   <<    D121212122132313231323233231323223313113313132322331323132312313113   >>      D121212122132313231323233231323223313113313132322331323132312313112   >>