• 4.1.1 published ._. report ._. supplementary solution published (see report)
  • 4.1.3 published ._. report
  • 4.1.5 published ._. report
  • 4.1.7 no adequate solution received; solution by volunteer published ._. report
  • 4.1.9 published ._. report
  • 4.1.11 published ._. report
  • 4.1.13 published ._. report
  • 4.1.15 published ._. report

    Last updated Fri 12 Jan 01