#Example: "3gp-Rel-i" . . . based on: examples/3gp
#vars: F, rels, procId;
#options: OutputLevel, ClassBound, OutputFile
F := FreeGroup("a", "b", "c", "d");
rels := ["(b * c^-1 * d)^-3", "(c * d^-1)^3", 
         "[b, a] * c", "[c, a]", "[c, b] * d"];
procId := PqStart(F : Prime := 3, Relators := rels);
#comment: set a different `ClassBound' by supplying <ClassBound>
#comment: also set a different print level by supplying <OutputLevel>
#sub <ClassBound> for <19> if set and ok
PqPcPresentation(procId : ClassBound := 19, 
#sub <OutputLevel> for <1> if set and ok
                          OutputLevel := 1);;
#comment: save the presentation to a different file by supplying <OutputFile>
#sub <OutputFile> for <ANUPQData.outfile> if set and ok
PqSavePcPresentation(procId, ANUPQData.outfile);;
