I implemented this three years ago in Go and Java. Go code with working demo is here://github.com/62726164/bp Edit: To my knowledge, the first suggestion of th

I implemented this three years ago in Go and Java. Go code with working demo is here://github.com/62726164/bp Edit: To my knowledge, the first suggestion of this idea was by Eugene Spafford in 1992: https://dl.acm.org/citation.cfm?id=134593 https://dl.acm.org/citation.cfm?id=134593