D12121212121313232233132332313231333132313233313113313233232331   >>    D1212121212131323223313233231323133313231323331311331323323233   <<    D12121212121313232233132332313231333132313233313113313233232333   >>      D12121212121313232233132332313231333132313233313113313233232332   >>