I saw a new feature in some of the screenshots on the Sudoku Day contest thread:
https://community.king.com/en/candy-crush-saga/discussion/592494/play-sudoku-and-new-levels-for-a-chance-to-win-gold-bars-or-boosters
A couple players have some "C coins" to the side of their gold bar counts. Anyone know how this feature works? I don't have it in my game.