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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.
In general I believe a more performant solution could be achieved using the new Span to avoid large amounts of string copying -- however the System.Memory package is unavailable in the online compiler...
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