9JA9|1|A|G|14 s3OP2 9JA9|1|A|A|16 9JA9|1|A|A|16 sOP23 9JA9|1|A|G|14 9JA9|1|A|A|17 ns3O4' 9JA9|1|A|G|18 9JA9|1|A|G|18 nsO4'3 9JA9|1|A|A|17