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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.
My code actually passes all tests except two. I understand the expected result for only one these two. Maybe someone could point me into the right direction of how to get to the result of
2533968if the 'needle' ishappy birthdayand the 'haystack' ishhhappyyyy biirrrrrthddaaaayyyyyyy to youuuu hhapppyyyy biirtttthdaaay too youuu happy birrrthdayy to youuu happpyyyy birrtthdaaay tooooo youu. Thank you in advance!