Loading collection data...
Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
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just use the spoiler flag... :p
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According to the spec, the numbers are in the range [1,9].
t's too awesome
What if I have more than one digit number? For example,'is2 Thi111sss T422est 31a';
Your output is'Thi111sss is2 31a T422est'