This level is currently nearly impossible to beat without boosters (or even with boosters). This is likely caused by a level buff, lack of moves, an objective which requires insane luck to fulfill, a level glitch, or a design error. This level is currently, or likely one of the hardest levels of the game.
A colour bomb + wrapped candy combination has the ability to destroy liquorice shells faster. However, the initial board makes it impossible to perform one.