local cnt = {}
local file = "base.txt"
local result = ''

function shake(array)
  local counter = #array
  while counter > 1 do
    local index = math.random(counter)
    array[index], array[counter] = array[counter], array[index]
    counter = counter - 1
  end
  return array
end

for line in io.lines(file) do 
   cnt[#cnt+ 1] = line
end

for n,l in pairs(shake(cnt)) do	
	l = l:gsub('\n',' ')
	if (n/7 ~= math.floor(n/7)) then l = l..'\n' end	
	result = result..l
end

print(result)