Clockmaker: Amazing match 3

The clockmaker said to do different clockmaker's tasks swap colorful gems and match 3 or more of the same ones. You have to save the city from the curse in this game. You have to solve many gem sorting puzzles. You will have a new task at each level, for example, collecting the right amount of gems. It's important to match the longest rows of gems and use useful bonuses and power-ups.