answer n x = if (length $ collatz n) > (length $ collatz x)
                 then answer (n+1) n
                 else answer (n+1) x
answer n x = if (length $ collatz n) > (length $ collatz x)
                 then answer (n+1) n
                 else answer (n+1) x
answer n x = if (length $ collatz n) > (length $ collatz x)
                 then answer (n+1) n
                 else answer (n+1) x