set G = make lcg with 546,252,-221,1142.
set G2 = make n2m with G. 
set V0 = run G2 for 30 iter. 

set G_ = merge G,G2 with -. 
set G3 = make n2m with G2,G_. 

set G4 = make n2m with G,G_,3,20. 
set V = run G4 for 30 iter. 

set G4 = make n2m with G,G_,3,20,43,90. 
set V2 = run G4 for 30 iter. 