Please try to solve a harder version "Problem 44448. Project Euler: Problem 14 Longest Collatz sequence"
Extract leading non-zero digit
Check if sorted
give nth decimal place of pi
Sum the Digits of a Number
Find the hypotenuse
Find Missing Number
Return a list sorted by number of consecutive occurrences
Add more zeros
Find files with extension ext in the current directory
Mirror, mirror on the wall, who is fairest of them all?
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