function cliques = idcliques( cset )
N = length(cset);
cliques = cell(1,N);  % one for each eliminated vertex
counter = 1;
empties = 0;
for i=1:N,
  c = cset{i};
  % check if c is fully contained in any other cluster
  found = 0;
  for j=1:N,
    if j == i,
    else
      if all(ismember(c,cset{j}) == 1)
        found = 1;
        %c
        %disp(sprintf('found c at %d',j));
        empties = empties + 1;
        break;
      end;
    end;
  end;
  if found == 0,
    cliques{counter} = c;
    counter = counter + 1;
  end;
end;
c2 = cell(1,N-empties);
for i=1:(N-empties),
  c2{i} = cliques{i};
end;
cliques = c2;