D121212121213132313113313231123313232233133313331311331323233231   >>    D12121212121313231311331323112331323223313331333131133132323323   <<    D121212121213132313113313231123313232233133313331311331323233233   >>      D121212121213132313113313231123313232233133313331311331323233232   >>