Su Doku (Numbers Solitary) puzzle implemented in Ruby with ANSI/console UI, though a QT/GTK+/TCLTK interface would have better; I have not learned QT/GTK+/TCLTK as yet 
It is *bugfix* and, or *pending features added* release. please have a look at: http://rafb.net/paste/results/U69kPB98.html
Your feedback to _BalwinderSinghDheeman/AT/yahoo.com_ and, or usenet newsgroups shall highly be appreciated 
Regards,
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Dr Balwinder Singh Dheeman Registered Linux User: #229709
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