D121212121213132313113313231123313232233132332121111331323132313223111   >>    D12121212121313231311331323112331323223313233212111133132313231322311   <<    D121212121213132313113313231123313232233132332121111331323132313223113   >>      D121212121213132313113313231123313232233132332121111331323132313223112   >>