Eject all keys from the pattern and open the chest, that shows the next item of the story. Reveal all parts of the story and see what this is all about. Use various hints to ease your game process.
Unlock all chests with important items within and get the next part of the story. However, these chests require keys to open and the keys should be collected through the pattern. Eject them by pushing them of the pattern and match similar tiles. Use various bonuses like bombs and additional time to make it easier to finish.