Arabic to Roman
477
Arrows
565
Card Number Validation
600
Christmas Trees
524
661
Collatz
753
Connect Four
196
Cubes
343
Emirp Numbers
508
Fibonacci
508
427
Fizz Buzz
640
Hilbert Curve
610
Leap Years
728
Levenshtein Distance
667
749
ln 2
880
Morse Encoder
579
Prime Numbers
632
Roman to Arabic
518
Transpose Sentence
788
United States
402
Vampire Numbers
524
Zeckendorf Representation
613
τ
8098
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