creation date: Wed Dec 2 16:05:17 MET 1998

18#1 
A^3=id
B^3=A^2 (A)
C^2=id (A^2 AB^2)
18#2 
A^3=id
B^3=A (A)
C^2=id (A B)
18#3 
A^3=id
B^3=id (A)
C^2=id (A^2 B)
18#4 
A^3=id
B^3=id (A)
C^2=id (A^2 B^2)
18#5 
A^3=id
B^3=id (A)
C^2=id (A B)

last updated: Wed Dec 2 16:05:31 MET 1998 , Anton Betten