h, w, k = gets.chomp.split(" ").map(&:to_i)
map = Array.new(h)
h.times do |i|
  map[i]=gets.chomp.split("")
end

cnt = 0
ans = 0
(1<<h).times do |i|
  (1<<w).times do |j|
    cnt = 0
    h.times do |h_shift|
      w.times do |w_shift|
        next if ((i>>h_shift)&1)==1 or ((j>>w_shift)&1)==1
        if map[h_shift][w_shift] == "#"
          cnt += 1
        end
      end
    end
    if k==cnt
      ans += 1
    end
  end
end
puts ans
