PGE index file  Quit_Sample2) Topic1Topic1F Topic2~ Topic3· Topic4 Topic5= Topic6u BookSample BookLn#0 ExitCode#0 Key0 MaxCol#80P MaxRow#25 Random#0 RandomBase#100d TestFalse TopicTopic1 Topic#0 TopicFromTopic1 TopicPath#0 TopicReps#0 TopicZeroTopic1 Version12 RandomBase# Book BookLn# ExitCode# TopicPath# Test TopicFrom Topic MaxCol# MaxRow# Topic Key Random# TopicReps# Topic# Version TopicZero