D12121212121313231311331323112331323223313233212111133132323131   >>    D1212121212131323131133132311233132322331323321211113313232313   <<    D12121212121313231311331323112331323223313233212111133132323133   >>      D12121212121313231311331323112331323223313233212111133132323132   >>