Also, for those who feel that standard RPS-3 is not challenging, there is always RPS-101 (of which RPS-3 is a mere subset) http://www.umop.com/rps101.htm http:

Also, for those who feel that standard RPS-3 is not challenging, there is always RPS-101 (of which RPS-3 is a mere subset) http://www.umop.com/rps101.htm http://www.umop.com/rps101.htm