THIS VERSION OF THE IMPORTANCE FILE IS NOT VALID ANY MORE.
A NEW VERSION WILL APPEAR SOON (September 2007)

Important slides:               Medium important slides: 
1.1-1.27			1.28			 
2.1-2.15			2.22			 
3.1-3.10, 3.15, 3.17-3.21	3.11-3.14, 3.22		 
4.1-4.20			-------------------------
5.1-5.9				8.9, 8.11, 8.12 	 
---------------------------	-------------------------
6.1-6.8				11.13-11.14		 
7.1-7.7				13.5-13.7		 
8.1-8.8, 8.10, 8.13, 8.14	17.1-17.8 		 
9.1-9.10			21.2, 21.4, 21.5,        
10.1-10.8, 10.10, 11.15
---------------------------
11.1-11.11, 11.15
12.1-12.6
13.1-13.3
14.1-14.3
15.1-15.10 (11.15 is easier)
16.1-16.6
18.1-18.10
20.1-20.2
21.1, 21.6-21.8


Skip slides:
2.16-2.21
3.16
10.9
---------------------------
11.12
15.11-15.12 (11.15 is easier)
19.1-19.3
20.1-20.6
21.3