D121212121213132313113313231123313232233133313331313231323132323131   >>    D12121212121313231311331323112331323223313331333131323132313232313   <<    D121212121213132313113313231123313232233133313331313231323132323133   >>      D121212121213132313113313231123313232233133313331313231323132323132   >>