D12121212121313232233132332313231333132313233313113313232213231311111   >>    D1212121212131323223313233231323133313231323331311331323221323131111   <<    D12121212121313232233132332313231333132313233313113313232213231311113   >>      D12121212121313232233132332313231333132313233313113313232213231311112   >>