Loading collection data...
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.
Because the goal of our function is to implement "one swipe"(if this explanation makes the goal clearer):
A given tile can only merge once. (this limits any tile to be summed/combined only 1 time)
This comment is hidden because it contains spoiler information about the solution