From ./old:

2m_orcl_001216.fts--> 2m_orcl_001127.fts
2m_orcl_001217.fts--> 2m_orcl_001231.fts
2m_orcl_020217.fts--> 2m_orcl_020310.fts
2m_orcl_020224.fts--> 2m_orcl_020310.fts
2m_orcl_020303.fts--> 2m_orcl_020310.fts
3m_clcl_020624.fts--> 3m_clcl_020712.fts
3m_clcl_020705.fts--> 3m_clcl_020712.fts

Actual links:

      18 Jul 11 10:27 2m_orcl_001129.fts -> 2m_orcl_001119.fts
      18 Jul 11 10:27 2m_orcl_001202.fts -> 2m_orcl_001210.fts
      18 Jul 11 10:28 2m_orcl_020205.fts -> 2m_orcl_020128.fts
      18 Jul 11 10:28 2m_orcl_020210.fts -> 2m_orcl_020218.fts
      18 Jul 11 09:55 2m_orcl_980624.fts -> 2m_orcl_980617.fts
      18 Jul 11 09:57 2m_orcl_981113.fts -> 2m_orcl_981203.fts
      18 Jul 11 09:58 2m_orcl_981221.fts -> 2m_orcl_981210.fts
      18 Jul 11 10:25 2m_orcl_990304.fts -> 2m_orcl_990318.fts
      18 Jul 10 14:49 3m_clcl_020618.fts -> 3m_clcl_020612.fts
      18 Jul 10 14:49 3m_clcl_020619.fts -> 3m_clcl_020629.fts
      18 Jul 11 09:49 3m_clcl_980624.fts -> 3m_clcl_980617.fts
      18 Jul 11 09:56 3m_clcl_981113.fts -> 3m_clcl_981203.fts
      18 Jul 11 09:58 3m_clcl_981221.fts -> 3m_clcl_981210.fts
      18 Jul 11 10:25 3m_clcl_990304.fts -> 3m_clcl_990318.fts