(TXT) c-hacking01.txt
 (TXT) c-hacking02.txt
 (TXT) c-hacking03.txt
 (TXT) c-hacking04.txt
 (TXT) c-hacking05.txt
 (TXT) c-hacking06.txt
 (TXT) c-hacking07.txt
 (TXT) c-hacking08.txt
 (TXT) c-hacking09.txt
 (TXT) c-hacking10.txt
 (TXT) c-hacking11.txt
 (TXT) c-hacking12.txt
 (TXT) c-hacking13.txt
 (TXT) c-hacking14.txt
 (TXT) c-hacking15.txt
 (TXT) c-hacking16.txt
 (TXT) c-hacking17.txt
 (TXT) c-hacking18.txt
 (TXT) c-hacking19.txt
 (TXT) c-hacking20.txt
 (TXT) ch20addendum.txt