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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 this case after one step the closest people to come in contact will appear like this "><". According to the first example if there is a position like this they will come into contact after one step. So that gives you an answer of 2 steps.