/* Generate image with: dot -Tsvg 2008-12-17_programming-java-lisp-prolog-ruby-scala_My-five-steps-to-programmers-heaven-in-seven-years.dot -o 2008-12-17_programming-java-lisp-prolog-ruby-scala_My-five-steps-to-programmers-heaven-in-seven-years.svg */

digraph{node[shape=box] rankdir=LR center=true concentrate=true 
//subgraph cluster_0{Java Scala}
//subgraph cluster_1{Lisp Prolog Ruby} 
Java->Scala[constraint=false dir=back]
Java -> Lisp; 
Lisp->Prolog; 
Prolog->Ruby;
Ruby->Scala; 
Scala->Java[style=dotted arrowhead=none]
}