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
507
427
Fizz Buzz
640
Leap Years
728
Levenshtein Distance
667
ln 2
879
Morse Encoder
579
Prime Numbers
632
Roman to Arabic
518
Transpose Sentence
788
United States
Vampire Numbers
525
Zeckendorf Representation
613
τ
8098
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