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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.
Getting an "Unspecified AssertionError" on test:
Running fine locally.
Hmmm - you'll need to use markdown to reformat that line of your question, otherwise people can't see what you are talking about.
Why is this false?
+------+
| |
X-----+------+
|
X
The only valid path is down at the first +.
If I go up, then right then down then left, I need to go thorugh the same + again, which is invalid (same if I go drom second X)