set G = make lcg with 15.46,-125.2,228.55,1142.333. 
set V = run G for 100 iter. 

set G2 = make lps with G. 
set V2 = run G2 for 100 iter. 

set G3 = make lps with G,G2.
set V3 = run G3 for 100 iter. 

set G4 = make lps with G,G2,G3.
set V4 = run G4 for 100 iter. 