D12121212121313232233132332313231333132313233313113313231313132322331121   >>    D1212121212131323223313233231323133313231323331311331323131313232233112   <<    D12121212121313232233132332313231333132313233313113313231313132322331123   >>      D12121212121313232233132332313231333132313233313113313231313132322331122   >>