digraph G{ "14" -> {"21";"5";} "6" -> {"11";"1";} "rules2" -> {"0";"generate";} "12" -> {"18";"4";} "5" -> {"9";"13";} "4" -> {"15";} "25" -> {} "generate" -> {"background";} "18" -> {"15";"4";} "16" -> {"2";"23";} "8" -> {"21";"14";} "background" -> {"24";"8";"17";} "11" -> {"15";"1";} "17" -> {"3";"22";"10";} "19" -> {"15";} "13" -> {"9";"9";} "0" -> {"rules";"implementation";"generate";} "20" -> {"11";"1";} "rules" -> {"rules1";"0";"generate";} "21" -> {"15";"5";} "7" -> {"2";"16";} "23" -> {"15";} "15" -> {"24";"8";"17";"25";} "rules1" -> {"rules2";"0";"generate";} "9" -> {"15";"19";} "10" -> {"3";"3";} "24" -> {"11";"20";"6";} "22" -> {"3";"7";} "2" -> {"15";"23";} "1" -> {"18";"12";} "3" -> {"15";"7";} }