tr = ''
br = ''
cr = nil
(1..100).each do |c| 
  mf = c % 5 == 0
  mt = c % 3 == 0
  f = c > 9 ? "  " : " "
  d = mt && !mf && (c + 1) % 5 != 0 && (c + 2) % 5 != 0
  
  if d #done
    puts tr
    len = tr.length
    cr = tr = br + c.to_s
    br = f + " " * len
    next
  else 
    cr = mf ? tr : (mt ? br : cr)
  end
  cr == br ? br << c.to_s && tr << f : tr << c.to_s && br << f  
end
puts tr + "\n" + br