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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.
Adding 1 to 110, gives you 111 whichs is an IN
Adding 1 to 799999, gives you 800000 which is an IN
Within means you could add 1 or 2 to reach an IN.
No, unless they're in the awesomePhrases array.
About sequential, have you read the description? 123, 456, 1234 are sequential incrementing (the next digit is the previous one plus 1) or 4321, 876, 210 are sequential decrementing (the next digit is the previous one minus 1)
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