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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.
it wont work right if N is odd and y is even, I think
Adding () will improve to read what is happening but, clever just genearte with X in middle
a1,b1,c1,d1....forgot to remove. not required
denominator and numerator is not accepted for me