integerLength 5 l
  | l <=  30  = 1
  | l <= 158  = 2
  | otherwise = 3
integerLength 5 l
  | l <=  30  = 1
  | l <= 158  = 2
  | otherwise = 3
integerLength 5 l
  | l <=  30  = 1
  | l <= 158  = 2
  | otherwise = 3