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%I #3 Mar 30 2012 16:47:09
%S 1,2,3,4,5,6,7,8,9,10,11,12,14,15,16,18,20,23,24,28,30
%N Distinct orders of elements of Conway simple group Co_2.
%K nonn,fini,full
%O 0,2
%A _N. J. A. Sloane_.