“…The structure of this graph has been found to be identical with CIII. There, the class 1 contains ten actors (1,2,4,5,6,7,11,12,14,16), the class 2: four actors (13,16,17,18), and the class 3 also four (3,8,9,10), with enumeration as the rows and columns of the matrices given in 53 . Two other matrices (SAMPES-SAMPDES)/5 and (SAMPIN-SAMPNIN)/5 appeared to be dense enough, i.e.…”