#The collapsed adjacency matrices were computed by C. E. Praeger and L. H. Soicher. mats:=[ [ [ 1, 0, 0 ], [ 0, 1, 0 ], [ 0, 0, 1 ] ], [ [ 0, 28431, 0 ], [ 1, 6030, 22400 ], [ 0, 5832, 22599 ] ], [ [ 0, 0, 109200 ], [ 0, 22400, 86800 ], [ 1, 22599, 86600 ] ] ];