Thanks for the fun kata! Really enjoyed the pattern‑building logic on this one — a nice mix of clarity and repetition. Appreciate the challenge!

Great kata! Really enjoyed the logic behind spotting the twin — short, clean, and satisfying to implement. Thanks for creating it!

description now includes a number with more than one digit

description now includes a number with more than one digit

(Python) has been done at some point

description now includes a number with more than one digit

approved

Thanks for this kata! 🙌
It was a fun and satisfying one — simple idea with a nice “aha” moment.
Really enjoyed solving it. Appreciate your work!

Description needs to be reworked.

cool!

Thanks, though the description of the problem is incredibly poorly written.

If you have 11 as input you'll arrive at 1011123456789 at some point where the next number to loop is a two digits number (10). In this case, the entire number should loop.

So the next line would be 1112345678910. With your solution, only the first digit of 10 will loop, resulting in this output 0111234567891 which is not the expected result.

1011121314151617181920123456789 after this it should be 011121 and so on with first 1 being at the end after 89.. this was the pattern, im confused can you explain it further what you mean by that?

JS fork

• changed the Argument: 5 example to Argument: 11 to have a two digits example (resolving this and this issues as well as this suggestion)
• made description language-agnostic
• used mocha/chai assertions and lodash for randomness
• provided input on failure

There is an issue with your code, not the kata.

Note that in the pattern each number loop entirely to the start of the line. Your solution loops for each digit not number.