D121212122132313231323233231323223313113313132322331323132313331221   >>    D12121212213231323132323323132322331311331313232233132313231333122   <<    D121212122132313231323233231323223313113313132322331323132313331223   >>      D121212122132313231323233231323223313113313132322331323132313331222   >>