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Other commitments prevents me from keeping these pages updated - and other "competing" sites are probably a better choice for your research.

For O18 lines: http://castlecops.com/O18.html

For O20 lines: http://castlecops.com/O20.html

For O21 lines: http://castlecops.com/O21.html

For O22 lines: http://castlecops.com/O22.html

For O23 lines: http://castlecops.com/O23.html



...and remember - Google is your friend :-)