/index.html/1.3/Thu Dec 16 02:12:47 2004//
/lesson1.html/1.3/Thu Apr 28 00:37:27 2005//
/lesson2.html/1.2/Sun Feb 13 22:56:40 2005//
/lesson3.html/1.2/Sun Feb 13 22:56:40 2005//
/lesson4.html/1.1/Tue Nov 30 19:26:29 2004//
/lesson5.html/1.3/Sun Feb 13 22:56:40 2005//
/lesson6.html/1.2/Fri Dec 10 19:15:04 2004//
D/fig////
