D121212121213132313113313231123313232233132332121111331323133313232211233131   >>    D12121212121313231311331323112331323223313233212111133132313331323221123313   <<    D121212121213132313113313231123313232233132332121111331323133313232211233133   >>      D121212121213132313113313231123313232233132332121111331323133313232211233132   >>